| Class Number |
Class Name |
Patents |
| 431/1 |
Combustion bursts or flare-ups in pulses or serial pattern |
310 |
| 431/100 |
Incandescent mantle |
50 |
| 431/114 |
With means attenuating sound or pulsation |
141 |
| 431/115 |
Combustion products return structure |
184 |
| 431/117 |
With external drain for surplus liquid fuel discharged into vaporization or combustion zone |
16 |
| 431/119 |
With drip or leakage collector |
13 |
| 431/120 |
With wick trimming, treating, inserting, or removing means |
24 |
| 431/121 |
With apparatus cleaning, purging or scavenging means |
47 |
| 431/124 |
With reserve flint holder |
7 |
| 431/125 |
With simulation feature |
191 |
| 431/126 |
With ornamentation or flame coloring additive |
116 |
| 431/127 |
Burner assembly includes igniter element and removable hand manipulatable torch |
14 |
| 431/129 |
Burner head cover operatively interrelated with igniter |
22 |
| 431/13 |
With indicator or inspection means |
85 |
| 431/142 |
Burner head or igniter removably secured to fuel tank by encircling frame or casing |
26 |
| 431/144 |
Burner cap, cover or extinguisher |
43 |
| 431/153 |
Correlation of fuel or power supply with component movements in a disabling and enabling sequence |
405 |
| 431/154 |
With repair, assembly or disassembly adjunct |
63 |
| 431/156 |
Convertible |
11 |
| 431/157 |
Means at chamber outlet establishing combustion pressure distinct from ambient |
16 |
| 431/159 |
Fuel disperser installed in furnace |
64 |
| 431/18 |
Timer, programmer, retarder or condition responsive control |
152 |
| 431/191 |
Burner ignited by flash flame through conduit |
16 |
| 431/195 |
Fuel distributor underlying combustion annulus having air feeding perforations |
8 |
| 431/2 |
Process of combustion or burner operation |
298 |
| 431/202 |
Structural installation |
261 |
| 431/203 |
Flame holder mounted on heated single charge fuel tank |
6 |
| 431/207 |
Heated line section feeds flame holder |
44 |
| 431/249 |
With feature for access to or exposure of flame holder |
5 |
| 431/252 |
With adjunctive means to extend or deflect flame by air blast or aspiration |
17 |
| 431/253 |
Combined |
160 |
| 431/254 |
Electrical or mechanical igniter correlated with burner feed |
88 |
| 431/258 |
Burner having electrical heater or igniter |
96 |
| 431/267 |
Frictional, chemical or percussive type igniter |
20 |
| 431/278 |
Separately supplied or controlled, physically related flame holders, e.g., diverse fuels, pilot and main, etc. |
144 |
| 431/286 |
Discrete means transmitting flame between separate flame holding sections |
44 |
| 431/287 |
Having combustion starting assistant |
6 |
| 431/288 |
Candle, e.g., taper, etc. |
179 |
| 431/298 |
Fibrous wick type flame holder |
48 |
| 431/326 |
Porous, capillary, particulate or sievelike flame holder, e.g., radiant surface burner, etc. |
179 |
| 431/330 |
Drip, trickler, or shelf-to-shelf type burner |
6 |
| 431/331 |
Pot type burner |
10 |
| 431/343 |
With supporting bracket, leg, hook, strap or clip |
86 |
| 431/344 |
Flame holder and fuel tank assembly |
371 |
| 431/345 |
Flame holder having attached handle |
79 |
| 431/346 |
Flash-back controlling or preventing structure |
132 |
| 431/347 |
Incandescing or reflecting component, e.g., reigniting hot spot, etc. |
97 |
| 431/349 |
Adjunctive, relatively low velocity, flame maintaining fuel passage |
67 |
| 431/350 |
Flame holder having protective flame enclosing or flame stabilizing structure |
285 |
| 431/354 |
Mixer and flame holder |
561 |
| 431/356 |
Miscellaneous |
19 |
| 431/357 |
Illuminating flash device, e.g., photographic bulb, etc. |
12 |
| 431/91 |
Projector and igniter for liquid or gelled fuel slug or rod, e.g., flame thrower, etc. |
9 |
| 431/99 |
Magnesium strip |
5 |