| Class Number |
Class Name |
No. of Patents |
| 431/349 |
Adjunctive, relatively low velocity, flame maintaining fuel passage |
67 |
| 431/127 |
Burner assembly includes igniter element and removable hand manipulatable torch |
14 |
| 431/128 |
Electrical igniter |
12 |
| 431/144 |
Burner cap, cover or extinguisher |
43 |
| 431/145 |
Fluid |
13 |
| 431/146 |
Movably or removably mounted cover for flame holder |
37 |
| 431/149 |
And distinct snuffer within cover |
4 |
| 431/151 |
And windshield within covered zone |
15 |
| 431/148 |
Connected to lamp chimney or its support |
2 |
| 431/147 |
Cover bars oxidizer from catalyst |
2 |
| 431/150 |
Cover operatively interconnected with feed controller or feed pump |
26 |
| 431/152 |
Pivotally mounted |
32 |
| 431/258 |
Burner having electrical heater or igniter |
95 |
| 431/260 |
Adjacent exposed liquid fuel surface on fuel support |
12 |
| 431/261 |
Capillary fuel holder |
24 |
| 431/262 |
Resistance type heater or igniter |
37 |
| 431/259 |
Igniter and separate heater |
13 |
| 431/263 |
Igniter in shelter chamber |
91 |
| 431/264 |
Spark electrode in front of or adjacent fuel discharger |
193 |
| 431/265 |
Gun type burner with electrode supported in air blast conduit |
79 |
| 431/266 |
Spark circuit includes feed terminus |
134 |
| 431/129 |
Burner head cover operatively interrelated with igniter |
22 |
| 431/134 |
Actuation of ignition member releases biased open cover |
2 |
| 431/138 |
Common axis for cover and abrasive wheel |
0 |
| 431/139 |
Actuator (e.g., finger piece) engaged with cover for relative movement |
1 |
| 431/140 |
Gear drive between cover and actuator |
2 |
| 431/137 |
Cover actuator cocks and releases abrasive member drive |
0 |
| 431/135 |
Cover, latched closed, biased open; igniter actuated on release |
3 |
| 431/136 |
Abrasive wheel moves with cover about a common axis |
1 |
| 431/132 |
Electrical igniter |
32 |
| 431/130 |
Interconnected with valve in fuel feed passage |
21 |
| 431/131 |
By movably mounted burner nozzle |
22 |
| 431/141 |
One way drive means between cover and abrasive wheel |
0 |
| 431/133 |
Solid ignition charge dispenser and striker |
2 |
| 431/142 |
Burner head or igniter removably secured to fuel tank by encircling frame or casing |
26 |
| 431/143 |
Burner head on tank and igniter on frame or casing |
22 |
| 431/191 |
Burner ignited by flash flame through conduit |
16 |
| 431/192 |
Conduit feed means spaced from ignited burner |
5 |
| 431/193 |
Unique burner manifold orifice feeds conduit |
3 |
| 431/194 |
Nipple forms orifice and anchors conduit |
0 |
| 431/288 |
Candle, e.g., taper, etc. |
179 |
| 431/289 |
Having structure additional to wax and wick |
172 |
| 431/297 |
Candle mounting attachment for socket type support |
25 |
| 431/291 |
Fuel body totally within casing, e.g., vigil light, etc. |
132 |
| 431/290 |
Height adjuster or maintained flame level |
26 |
| 431/295 |
Holder for plural candles |
44 |
| 431/296 |
Hook, clamp or spike supported candle holder |
24 |
| 431/292 |
Melt handler or receiver |
38 |
| 431/294 |
Drained or openwork candle grip mounted on melt receiver |
10 |
| 431/293 |
Follower cap |
8 |
| 431/253 |
Combined |
159 |
| 431/1 |
Combustion bursts or flare-ups in pulses or serial pattern |
310 |
| 431/115 |
Combustion products return structure |
184 |
| 431/116 |
Recirculation about mixing or combustion chamber wall or baffle |
162 |
| 431/156 |
Convertible |
11 |
| 431/153 |
Correlation of fuel or power supply with component movements in a disabling and enabling sequence |
403 |
| 431/286 |
Discrete means transmitting flame between separate flame holding sections |
44 |
| 431/330 |
Drip, trickler, or shelf-to-shelf type burner |
6 |
| 431/254 |
Electrical or mechanical igniter correlated with burner feed |
88 |
| 431/255 |
Having electric current producer |
391 |
| 431/256 |
Switch or electrode of igniter moved by valve element or operator |
64 |
| 431/257 |
Make and break electrode moved |
4 |
| 431/298 |
Fibrous wick type flame holder |
48 |
| 431/325 |
Coated, impregnated, layered, coupled or reinforced wick |
59 |
| 431/315 |
Having adjustable wick exposure, position, or porosity setting structure |
15 |
| 431/316 |
Rotatable projection means engages wick |
2 |
| 431/318 |
Opposed rotatable wick engaging means |
0 |
| 431/317 |
Transmission mechanism rotates means |
9 |
| 431/310 |
Having air or flame director, air distributor, or windguard |
12 |
| 431/314 |
Air annulus leads to flame zone |
7 |
| 431/313 |
Director passageways leading to flame zone |
4 |
| 431/312 |
Director passageways, each surrounding wick or flame zone |
9 |
| 431/311 |
Transparent director surrounding wick support or guide |
8 |
| 431/319 |
Having distinct fuel line between reservoir and wick guide or support means |
8 |
| 431/299 |
Having feeder or holder for disparate fluid |
2 |
| 431/320 |
Liquid fuel container carries wick guide or support |
100 |
| 431/324 |
Detachable closure securing guide to container |
31 |
| 431/323 |
Having absorbing, baffling or additional wick supporting structure in container |
19 |
| 431/321 |
Having distinct container filling or venting structure |
28 |
| 431/322 |
Means supporting displaced wick guide or support on fuel container |
12 |
| 431/300 |
Means forcing air into flame area |
4 |
| 431/302 |
Tubular wick having central supporting and air supplying structure |
14 |
| 431/309 |
Having air guide or distributor |
14 |
| 431/303 |
Having lateral air inlet passage through wick |
1 |
| 431/304 |
Having wick raiser |
25 |
| 431/307 |
Rack and pinion |
16 |
| 431/308 |
Reciprocated bar |
1 |
| 431/306 |
Rotatable threaded rod and follower |
1 |
| 431/305 |
Screw thread on wick carrier |
0 |
| 431/301 |
Wick movement limiting structure |
7 |
| 431/344 |
Flame holder and fuel tank assembly |
371 |
| 431/345 |
Flame holder having attached handle |
79 |
| 431/350 |
Flame holder having protective flame enclosing or flame stabilizing structure |
284 |
| 431/351 |
Including means feeding air axially spaced points of the flame |
261 |
| 431/352 |
Axial perforations along combustion tube |
186 |
| 431/353 |
Tubular member delineates flame |
344 |
| 431/203 |
Flame holder mounted on heated single charge fuel tank |
6 |
| 431/204 |
Fuel jet from heated tank traverses wick burner |
0 |
| 431/206 |
Having heat conductor between spaced flame holder and tank |
11 |
| 431/205 |
Priming cup heats tank |
1 |
| 431/346 |
Flash-back controlling or preventing structure |
132 |
| 431/267 |
Frictional, chemical or percussive type igniter |
20 |
| 431/269 |
Cap, match or pellet igniting charge holding and firing means |
13 |
| 431/270 |
Externally accessible operator fires charge within flame enclosure |
2 |
| 431/271 |
Plural charge holder with presenting structure |
2 |
| 431/272 |
Serially connected charges |
0 |
| 431/268 |
Catalytic |
96 |
| 431/273 |
Spark projecter, e.g., flint and abrasive striker, etc. |
26 |
| 431/276 |
Advancing type flint holder |
48 |
| 431/274 |
Mechanical movement operated abrasive member |
37 |
| 431/275 |
Stored energy actuated; detent, latch or overcenter release |
4 |
| 431/277 |
Mounted on fuel tank adjacent flame holder |
196 |
| 431/159 |
Fuel disperser installed in furnace |
64 |
| 431/189 |
Disperser adjustably mounted for movement relative to furnace wall opening |
67 |
| 431/160 |
Disperser cooled by fluid additional to furnace feed |
97 |
| 431/170 |
Disperser feeds into permeable mass, e.g., checkerwork, etc. |
343 |
| 431/173 |
Feed projected tangential to wall of circular combustion chamber |
134 |
| 431/161 |
Furnace heated feed line section |
25 |
| 431/162 |
Distinct sections feeding disparate fluids to furnace |
9 |
| 431/164 |
Section feeds oxidizer through furnace wall opening spaced from that for disperser |
12 |
| 431/165 |
Oxidizer fed at spaced points along combustion path |
26 |
| 431/166 |
Section feeds oxidizer to disperser or through disperser furnace wall opening |
27 |
| 431/167 |
Section is furnace wall cavity leading to disperser |
21 |
| 431/163 |
Section feeds steam to disperser |
20 |
| 431/181 |
Plural feed means extending to common wall opening of furnace |
166 |
| 431/182 |
Duct with air whirling means surrounds disperser |
132 |
| 431/183 |
Row of stationary blades coaxial with disperser whirls air |
166 |
| 431/184 |
Pivotally adjustable blades |
36 |
| 431/185 |
Feed whirling means at wall |
87 |
| 431/187 |
Feeds discharged coaxially |
316 |
| 431/188 |
Air chamber with inlet control surrounds disperser at wall |
94 |
| 431/186 |
Shiftably mounted disperser; or flame shaper |
88 |
| 431/168 |
Rotary disperser projects at surrounding flange surface |
41 |
| 431/169 |
Mixing ring or group of deflectors overhangs flange surface |
2 |
| 431/174 |
Spaced fuel dispersing orifices within furnace |
102 |
| 431/177 |
Annular arrangement with fuel directed on surrounding combustion chamber wall |
50 |
| 431/175 |
Intersecting fuel streams |
79 |
| 431/176 |
Opposed rows of streams of radially directed streams in a common plane |
9 |
| 431/180 |
Row across combustion chamber |
19 |
| 431/178 |
Row with parallel discharge through combustion chamber wall |
33 |
| 431/179 |
Longitudinally adjacent rows |
15 |
| 431/190 |
Water, air or steam feeder spaced from disperser |
127 |
| 431/171 |
With discrete flame directing baffle |
63 |
| 431/172 |
Baffle means forms flame ring around combustion chamber |
14 |
| 431/195 |
Fuel distributor underlying combustion annulus having air feeding perforations |
8 |
| 431/197 |
Annulus movably mounted for access to distributor |
1 |
| 431/200 |
Coaxial combustion chambers with intermediate air space |
9 |
| 431/198 |
Distributor annulus feeds combustion annulus through coaxial throat or row of orifices |
6 |
| 431/199 |
Distributor receives heated fuel from annulus heated line section |
1 |
| 431/201 |
Structure surrounding annulus guides combustion air to perforations |
21 |
| 431/196 |
With pilot burner, primer, or electric combustion starter |
3 |
| 431/287 |
Having combustion starting assistant |
6 |
| 431/207 |
Heated line section feeds flame holder |
44 |
| 431/213 |
Air from section discharged downwardly toward fuel surface |
1 |
| 431/214 |
Fuel surface is film descending from elevated structure |
3 |
| 431/230 |
Auxiliary burner heats wick within heated section |
1 |
| 431/218 |
Basin for burning liquid fuel heats feed line section |
6 |
| 431/222 |
Basin receives fuel from terminus of heated fuel line |
2 |
| 431/227 |
Basin encompasses vertical heated line section |
1 |
| 431/229 |
Elongated basin parallel to fuel line |
0 |
| 431/228 |
Line passes through basin to surrounding, descending discharge structure |
3 |
| 431/225 |
Basin mounted on valve housing |
1 |
| 431/226 |
Heated fuel drum above basin |
1 |
| 431/224 |
Horizontally extending cavity of basin forms heated section |
0 |
| 431/223 |
With selective deflector directing fuel to basin |
0 |
| 431/219 |
Heated line feeds steam to fuel basin area |
1 |
| 431/220 |
Separate basin and flame holder fuel lines |
4 |
| 431/221 |
Valved branch of flame holder feed line feeds basin |
0 |
| 431/244 |
Discrete jet section of flame holder heats its fuel line |
1 |
| 431/215 |
Distinct exhaust products line heats feed line |
184 |
| 431/208 |
Electrically heated section |
160 |
| 431/243 |
Flame enclosure comprises, or conducts heat to heated section |
69 |
| 431/247 |
Fuel conduit within flame or combustion products zone |
53 |
| 431/248 |
Distinct baffle directs flame at or around conduit |
9 |
| 431/231 |
Fuel container having means feeding gas to a separate line heating burner and liquid to heated section |
6 |
| 431/233 |
Heated line supplies its heater and an external structure, e.g., flame holder |
3 |
| 431/235 |
Heated line supplies generated gas to main of distributing system |
0 |
| 431/234 |
One of a group of similar burners heats section |
1 |
| 431/210 |
Heated section supplied by separate diverse feeds, e.g., water and fuel, etc. |
34 |
| 431/211 |
One feed heated before being fed to section |
22 |
| 431/212 |
Another feed heated before being fed to section |
5 |
| 431/242 |
Housing encloses heated section and flame area |
43 |
| 431/240 |
Insert in heated fuel line, e.g., packing, etc. |
9 |
| 431/241 |
Lifts fuel from tank to heated section by capillary action |
8 |
| 431/216 |
Lines for diverse feeds heated |
4 |
| 431/217 |
With mixing upstream of combustion zone |
9 |
| 431/209 |
Section and its heat source mounted for relative movement, e.g., to vary thermal effect, etc. |
3 |
| 431/236 |
Section heated by auxiliary burner |
10 |
| 431/237 |
Main fuel line branch feeds auxiliary burner |
4 |
| 431/232 |
Section heated by distinct flame holders, one fed by heated section |
6 |
| 431/238 |
Unheated fuel supply to flame holder |
7 |
| 431/239 |
Heated feed aspirates or atomizes fuel |
9 |
| 431/245 |
Unheated oxidizer supply to line between heated section and feed discharger |
1 |
| 431/246 |
Feed discharger wall cavity forms heated section |
4 |
| 431/357 |
Illuminating flash device, e.g., photographic bulb, etc. |
12 |
| 431/365 |
Electrical means ignites charge |
16 |
| 431/358 |
Fuel charge within sealed transparent casing, e.g., bulb |
19 |
| 431/360 |
Coated casing |
26 |
| 431/362 |
Electrically ignited primer ignites charge |
57 |
| 431/361 |
Percussive ignition means ignites charge |
28 |
| 431/359 |
Plurality of bulbs associated for sequential ignition |
132 |
| 431/363 |
Having fuel charge feeding means |
1 |
| 431/364 |
Having protective shield |
1 |
| 431/100 |
Incandescent mantle |
50 |
| 431/109 |
Depends below downwardly facing fuel discharger |
4 |
| 431/108 |
Distinct means increases pressure at mantle |
1 |
| 431/103 |
Heated feed line section |
5 |
| 431/106 |
Above upwardly fed mantle |
0 |
| 431/104 |
Discrete flame holder heats section, e.g., auxiliary jet, etc. |
4 |
| 431/107 |
Heated by downwardly fed mantle |
10 |
| 431/105 |
Within mantle |
0 |
| 431/101 |
Resiliently supported |
4 |
| 431/110 |
Supported above upwardly facing fuel discharger |
10 |
| 431/111 |
Supporting or protecting means external of mantle |
7 |
| 431/112 |
Extending within mantle |
3 |
| 431/113 |
On upwardly opening mantle |
4 |
| 431/102 |
Wick feeds vapor to mantle |
1 |
| 431/347 |
Incandescing or reflecting component, e.g., reigniting hot spot, etc. |
97 |
| 431/348 |
Flame sweeps dished incandescing surface |
41 |
| 431/99 |
Magnesium strip |
5 |
| 431/157 |
Means at chamber outlet establishing combustion pressure distinct from ambient |
16 |
| 431/158 |
Chamber outlet forms jet nozzle |
144 |
| 431/356 |
Miscellaneous |
19 |
| 431/354 |
Mixer and flame holder |
561 |
| 431/355 |
Bunsen burner type |
35 |
| 431/326 |
Porous, capillary, particulate or sievelike flame holder, e.g., radiant surface burner, etc. |
179 |
| 431/327 |
Capillary mass having handle |
5 |
| 431/328 |
Means supplying fuel for passage through the flame holding structure, e.g., radiant surface burner |
486 |
| 431/329 |
Woven screen holds flame |
124 |
| 431/331 |
Pot type burner |
10 |
| 431/332 |
Having feeder or holder for disparate fluid |
3 |
| 431/333 |
Having means for continuously feeding fuel |
16 |
| 431/335 |
Air feed passage through bottom of pot |
11 |
| 431/338 |
Having baffling means within pot confines |
8 |
| 431/339 |
Forms separate zones of combustion at fuel surface |
4 |
| 431/340 |
Horizontally extending partition having central passage |
9 |
| 431/336 |
Ring structure at pot outlet forms central vertical discharge throat |
4 |
| 431/337 |
Structure includes radial air feed passages discharging at throat |
5 |
| 431/334 |
With pot or fuel reservoir elevating means |
2 |
| 431/341 |
Including exhaust flue having air feed passages |
9 |
| 431/342 |
And baffling means within pot |
7 |
| 431/2 |
Process of combustion or burner operation |
297 |
| 431/5 |
Burning waste gas, e.g., furnace gas, etc. |
388 |
| 431/12 |
Controlling or proportioning feed |
479 |
| 431/3 |
Decarbonizing, cleaning or purging |
86 |
| 431/4 |
Feeding flame modifying additive |
275 |
| 431/8 |
Flame shaping, or distributing components in combustion zone |
400 |
| 431/10 |
Oxidizer added to region of incomplete combustion |
383 |
| 431/9 |
Whirling, recycling material, or reversing flow in an enclosed flame zone |
340 |
| 431/11 |
Heating feed |
231 |
| 431/7 |
In a porous body or bed, e.g., surface combustion, etc. |
434 |
| 431/6 |
Starting or shutdown procedure |
147 |
| 431/91 |
Projector and igniter for liquid or gelled fuel slug or rod, e.g., flame thrower, etc. |
9 |
| 431/278 |
Separately supplied or controlled, physically related flame holders, e.g., diverse fuels, pilot and main, etc. |
144 |
| 431/282 |
Adjustable wick |
3 |
| 431/280 |
By multiway valve |
25 |
| 431/284 |
Coaxial |
271 |
| 431/281 |
Correlated controls |
36 |
| 431/285 |
Having common flame chamber or shield means |
161 |
| 431/279 |
Relatively movable |
3 |
| 431/283 |
Three mounted in cross igniting relationship |
12 |
| 431/202 |
Structural installation |
261 |
| 431/18 |
Timer, programmer, retarder or condition responsive control |
151 |
| 431/28 |
Actuation sequence of electric feed heater and feed flow controller or igniter |
23 |
| 431/21 |
By combustion destructible element, e.g., fusible plug, etc. |
23 |
| 431/75 |
By combustion or combustion zone sensor |
164 |
| 431/76 |
Combustion product composition sensor |
198 |
| 431/77 |
Of shutdown by response to sensed combustion failure or overheat |
34 |
| 431/78 |
By electrical control circuit |
152 |
| 431/79 |
Photoelectric sensor |
141 |
| 431/80 |
Thermoelectric generator sensor |
109 |
| 431/81 |
Manual setting means for biased valve released upon sensed combustion |
6 |
| 431/83 |
Sensor movement losses means holding shutdown valve open against bias |
7 |
| 431/84 |
Held by latch, latch released by sensor |
4 |
| 431/85 |
Expanding fluid sensor |
5 |
| 431/82 |
With fuel feed means downstream of shutdown valve |
4 |
| 431/89 |
By condition of burner feed or feed means |
126 |
| 431/90 |
Sensor of one feed controls another feed |
173 |
| 431/86 |
By manually started timer or retarder, or by time of day device |
29 |
| 431/87 |
Of combustion initiating means, e.g., match striker, etc. |
5 |
| 431/22 |
By sensing of gas leakage, flashback or escaped flame |
78 |
| 431/88 |
By tilting, jarring, or mechanical damage |
24 |
| 431/29 |
Control of purger, of scavenger or of combustion start-up delay period |
53 |
| 431/30 |
Of scavenging or purging pump |
14 |
| 431/31 |
Scavenging or purging period started by combustion demand |
48 |
| 431/65 |
Fuel feed cut off by collected fuel over-flow |
5 |
| 431/67 |
Igniter heat up and fuel feed sequence controlled by timer or retarder |
33 |
| 431/64 |
Level responsive means controls fuel level in wick pot or pot type burner |
4 |
| 431/32 |
Of cleaning means |
14 |
| 431/62 |
Of diverse feed or feed rate in starting, e.g., enriching fuel mixture in starting, etc. |
49 |
| 431/63 |
Combustion sensor establishes "run" feed |
19 |
| 431/33 |
Of extinguishing means |
51 |
| 431/35 |
By candle length or fuel quantity |
27 |
| 431/34 |
Wick cover actuated in response to tilting of burner |
13 |
| 431/72 |
Of igniter and feed controlled sequence |
41 |
| 431/73 |
By timer or retarder |
47 |
| 431/74 |
Combustion zone sensor controls igniter |
55 |
| 431/23 |
Of means protecting burner component from combustion heat |
4 |
| 431/36 |
Of or by burner feed supply heating structure |
14 |
| 431/37 |
By controlling admittance of feed to structure |
29 |
| 431/39 |
By level of liquid feed in structure |
3 |
| 431/40 |
By linear expansion of feed holder |
1 |
| 431/38 |
By pressure of feed in structure |
9 |
| 431/41 |
Supply of heat to heating structure controlled |
22 |
| 431/20 |
Of or by exhaust damper or exhaust pump |
144 |
| 431/60 |
Of sequential operation of plural burners, e.g., pilot and main, etc. |
49 |
| 431/61 |
By fuel feed pressure variation |
11 |
| 431/27 |
Providing repeated start attempts prior to shutdown upon failure to establish combustion |
31 |
| 431/19 |
Responsive to combustion chamber pressure |
58 |
| 431/68 |
Sensing of hot combustion zone condition blocks restart attempt |
6 |
| 431/66 |
Sensor of electrical condition or temperature of electrical igniter controls fuel feed |
89 |
| 431/42 |
Sensor of first burner controls second burner, e.g., pilot and main, etc. |
32 |
| 431/49 |
And an igniting burner for first burner |
1 |
| 431/51 |
Both burners cut off upon sensed extinguishment of first burner |
27 |
| 431/52 |
First burner manual reset valve cut off |
6 |
| 431/55 |
Burners independently controlled by reset valves |
2 |
| 431/53 |
Single valve cuts off branched flow |
15 |
| 431/54 |
Reset includes structure preventing feed to second burner prior to sensed combustion at first burner |
33 |
| 431/56 |
Having cut-off valve by-pass or additional supply to first burner |
3 |
| 431/59 |
Electrical or magnetic sensor controls second burner |
31 |
| 431/57 |
Manual reset of second burner required upon first burner extinguishment |
3 |
| 431/50 |
Sensing of flame at both burners required for continued operation of second burner |
2 |
| 431/58 |
Sensor controls diaphragm motor of second burner valve |
17 |
| 431/48 |
Sensor of second burner controls third burner |
7 |
| 431/43 |
With electrical igniter |
25 |
| 431/46 |
Igniter deenergization responsive to first burner ignition |
84 |
| 431/44 |
Igniter deenergized by fuel pressure variation in start effort |
5 |
| 431/45 |
Igniter deenergized by timer, programmer or retarder |
20 |
| 431/47 |
With manual igniter actuation |
10 |
| 431/69 |
Shutdown by sensed absence of flame in proving period |
56 |
| 431/71 |
Igniter cut off when flame establishment proved |
56 |
| 431/70 |
Recycle through proving period on sensing of failure of established flame |
27 |
| 431/24 |
With test circuit checking or analyzing flame sensing circuit for malfunction |
77 |
| 431/26 |
Test circuit activated, then inactivated in starting |
24 |
| 431/25 |
Utilizing unidirectional electrical conducting effect of flame |
85 |
| 431/252 |
With adjunctive means to extend or deflect flame by air blast or aspiration |
17 |
| 431/121 |
With apparatus cleaning, purging or scavenging means |
47 |
| 431/122 |
Scraping or clearing member |
7 |
| 431/123 |
Feed orifice penetrating |
20 |
| 431/119 |
With drip or leakage collector |
13 |
| 431/117 |
With external drain for surplus liquid fuel discharged into vaporization or combustion zone |
16 |
| 431/118 |
Drained collecting basin spaced from zone |
10 |
| 431/249 |
With feature for access to or exposure of flame holder |
5 |
| 431/251 |
Enclosure movably mounted for access |
5 |
| 431/250 |
With match scratching surface within enclosure |
0 |
| 431/13 |
With indicator or inspection means |
85 |
| 431/17 |
Burner component position indicator |
3 |
| 431/14 |
Correlated with action of condition responsive burner control |
48 |
| 431/15 |
Shutdown or aborted start attempt indicated |
25 |
| 431/16 |
Responsive to gas leakage, overflow, abnormal pressure or electrical component malfunction |
54 |
| 431/114 |
With means attenuating sound or pulsation |
141 |
| 431/126 |
With ornamentation or flame coloring additive |
116 |
| 431/154 |
With repair, assembly or disassembly adjunct |
63 |
| 431/155 |
Slide or roller |
7 |
| 431/124 |
With reserve flint holder |
7 |
| 431/125 |
With simulation feature |
191 |
| 431/343 |
With supporting bracket, leg, hook, strap or clip |
86 |
| 431/120 |
With wick trimming, treating, inserting, or removing means |
24 |
