| Class Number |
Class Name |
No. of Patents |
| 110/331 |
Arch or roof structure |
38 |
| 110/335 |
Concave surface area |
15 |
| 110/332 |
Planar surface area |
32 |
| 110/333 |
Inclined |
3 |
| 110/334 |
And convex surface area |
9 |
| 110/165R |
Ash receiving and handling devices |
233 |
| 110/166 |
Ashpans |
15 |
| 110/167 |
Dumping |
12 |
| 110/168 |
Conjoined floor sections |
4 |
| 110/169 |
Reciprocating discharge valve |
14 |
| 110/170 |
Scraper |
18 |
| 110/171 |
Steam and water attachments |
94 |
| 110/165A |
Fly ash disposers |
65 |
| 110/322 |
Baffle or heat retainer structure |
30 |
| 110/326 |
Metallic type |
17 |
| 110/323 |
Refractory type |
21 |
| 110/324 |
Having concavity for engaging pipe exterior |
7 |
| 110/325 |
And structure to bridge pipes |
7 |
| 110/338 |
Brick element |
60 |
| 110/339 |
Having hanger |
31 |
| 110/340 |
And metal casing |
17 |
| 110/233 |
Combined |
157 |
| 110/234 |
With boiler |
315 |
| 110/194 |
Crematory |
30 |
| 110/181 |
Door casings and arches |
9 |
| 110/182 |
Feeding air |
2 |
| | Doors and casings | |
| 110/180 |
Cooling |
20 |
| 110/173R |
Doors |
130 |
| 110/173C |
Compound doors |
5 |
| 110/173B |
Explosion relief doors |
11 |
| 110/174 |
Feeding air and steam |
0 |
| 110/175R |
Feeding air |
10 |
| 110/175A |
Automatic door dampers |
1 |
| 110/179 |
Fluid screens |
12 |
| 110/176 |
Operators |
15 |
| 110/177 |
Motor |
8 |
| 110/178 |
Pedal |
2 |
| 110/173A |
Soaking pit covers |
13 |
| 110/315 |
Downdraft |
25 |
| 110/316 |
Grateless |
9 |
| 110/147 |
Draft regulators |
24 |
| 110/163 |
Damper |
69 |
| 110/162 |
Fan exhaust |
73 |
| 110/148 |
Separation of gases |
2 |
| | Stack | |
| 110/160 |
Air jet |
22 |
| 110/161 |
Steam injected |
1 |
| 110/159 |
Portable |
2 |
| 110/150 |
Steam injector |
0 |
| 110/157 |
Feeding air |
1 |
| 110/158 |
Door operated |
1 |
| 110/195 |
Forge |
6 |
| 110/172 |
Fronts |
6 |
| 110/101R |
Fuel feeders |
96 |
| 110/101C |
Automatic control |
66 |
| 110/104R |
Blower |
60 |
| 110/104B |
Burners, per se |
49 |
| 110/105 |
Hopper |
20 |
| 110/104A |
Locomotive distributor plates |
1 |
| 110/105.5 |
Locomotive stroker type |
0 |
| 110/105.6 |
Underfeed to jet only |
1 |
| 110/106 |
Pulverizer |
105 |
| 110/103 |
Boiler controlled |
11 |
| 110/107 |
Bridgewall |
1 |
| | Chute | |
| 110/116 |
Door |
23 |
| 110/117 |
Multiple charge |
6 |
| 110/101CD |
Feeder responsive to fuel bed height |
36 |
| 110/101CB |
Feeder responsive to fuel bed pressure |
10 |
| 110/101CA |
Feeder responsive to fuel bed temperature |
11 |
| 110/101CC |
Feeder responsive to fuel bed weight |
29 |
| 110/101CF |
Fuel control |
60 |
| 110/108 |
Hopper |
53 |
| | Pusher | |
| 110/109 |
Reciprocating |
39 |
| 110/110 |
Screw |
99 |
| 110/102 |
Shavings and sawdust |
47 |
| 110/101A |
Shiftable stoker |
9 |
| | Spreader | |
| 110/111 |
Carrier |
5 |
| 110/112 |
Door |
1 |
| 110/113 |
Oscillating |
4 |
| 110/114 |
Reciprocating plunger |
5 |
| 110/115 |
Rotary |
15 |
| 110/118 |
Vertical drop |
39 |
| 110/295 |
Having multiple firebox |
23 |
| 110/296 |
Including fluid supply means |
10 |
| 110/317 |
Including firebox |
10 |
| 110/318 |
Having arch |
7 |
| 110/320 |
Adjustable dimension firebox |
6 |
| 110/319 |
And flame shaper |
2 |
| 110/321 |
Door arch |
0 |
| 110/260 |
Including fluid fuel burner |
55 |
| 110/261 |
Powdered solid fuel |
140 |
| 110/262 |
Alternate fuel |
80 |
| 110/267 |
Including means to feed solid fuel |
44 |
| 110/268 |
Movable grate |
39 |
| 110/269 |
Endless chain |
15 |
| 110/273 |
Inclined run |
6 |
| 110/270 |
Including air supply means |
22 |
| 110/271 |
And chain seal |
5 |
| 110/272 |
Between runs |
3 |
| 110/274 |
Mobile support |
2 |
| 110/278 |
Oscillatory |
17 |
| 110/279 |
Manual actuation means |
1 |
| 110/280 |
Multiple retort |
1 |
| 110/285 |
Raking bar type |
11 |
| 110/281 |
Reciprocatory |
99 |
| 110/282 |
Including power feed |
16 |
| 110/283 |
Underfeed |
14 |
| 110/284 |
Power feed perpendicular to grate |
2 |
| 110/275 |
Rotary |
18 |
| 110/276 |
About horizontal axis |
21 |
| 110/277 |
Conical type |
4 |
| 110/286 |
Power driven |
14 |
| 110/287 |
Having circular grate |
5 |
| 110/288 |
And forced air supply |
26 |
| 110/289 |
Pusher ram |
29 |
| 110/290 |
Parallel to grate |
15 |
| 110/291 |
Inclined step grate |
47 |
| 110/292 |
Separate feed |
10 |
| 110/293 |
Supply hopper; e.g., magazine, etc. |
54 |
| 110/294 |
Cage grate |
5 |
| 110/297 |
Including noncombustible fluid supply means |
84 |
| 110/301 |
Having treatment means |
4 |
| 110/309 |
And flow modifying means |
21 |
| 110/310 |
Deflector |
19 |
| 110/311 |
Grate mounted |
6 |
| 110/312 |
Below grate |
5 |
| 110/313 |
Feed nozzle |
10 |
| 110/302 |
Preheater |
58 |
| 110/303 |
And furnace gas mixer |
19 |
| 110/305 |
Bridgewall |
5 |
| 110/308 |
Internal to or attachable to wall |
11 |
| 110/304 |
Remote from combustion chamber |
24 |
| 110/306 |
Water or steam |
7 |
| 110/307 |
Below grate |
1 |
| 110/298 |
Hollow grate |
44 |
| 110/299 |
Having flow controller |
18 |
| 110/300 |
For forced air supply |
52 |
| 110/314 |
Supplying through hollow bridgewall |
15 |
| 110/198 |
Locomotive |
3 |
| 110/199 |
Having noncombustible fluid feed means |
0 |
| 110/200 |
And noncombustible fluid treatment means |
0 |
| 110/201 |
Preheater |
1 |
| 110/202 |
Undergrate feed |
1 |
| 110/349 |
Miscellaneous |
20 |
| 110/341 |
Process |
157 |
| 110/347 |
Burning pulverized fuel |
661 |
| 110/346 |
Incinerating refuse |
958 |
| 110/348 |
Supplying fluid |
154 |
| 110/342 |
Treating fuel constituent or combustion product |
311 |
| 110/344 |
Combustion product |
145 |
| 110/345 |
Exhaust gas; e.g., pollution control, etc. |
679 |
| 110/343 |
To prevent corrosion of furnace |
115 |
| 110/235 |
Refuse incinerator |
255 |
| 110/242 |
Closed vessel |
75 |
| 110/237 |
For explosive or radioactive material |
133 |
| 110/238 |
For liquid refuse |
366 |
| 110/239 |
For stump in situ |
6 |
| 110/251 |
Including air supply means extending vertically within refuse |
60 |
| 110/252 |
With supplementary burner |
11 |
| 110/236 |
Means for cleaning by combustion |
151 |
| 110/241 |
Portable |
55 |
| 110/248 |
Refuse supported above grate |
93 |
| 110/243 |
Refuse suspended in or supported by a fluid medium |
57 |
| 110/244 |
Suspended in a gaseous medium |
129 |
| 110/245 |
Fluidized bed of noncombustible particles |
750 |
| 110/249 |
Reverberatory type |
9 |
| 110/246 |
Rotary drum |
354 |
| 110/247 |
Rotary grate movable about a vertical axis |
44 |
| 110/240 |
Vehicle mounted |
35 |
| 110/254 |
With air preheater |
74 |
| 110/250 |
With electric heater |
162 |
| 110/255 |
With means for advancing or handling refuse or residue |
148 |
| 110/257 |
Continuous advance |
96 |
| 110/256 |
Means for feeding through chimney |
59 |
| 110/258 |
Refuse agitating |
64 |
| 110/259 |
Residue handling; e.g., ash, etc. |
204 |
| 110/253 |
With means shielding burner for refuse |
4 |
| 110/184 |
Smokestacks |
48 |
| 110/327 |
Solid fuel feed structure |
33 |
| 110/328 |
Movable grate |
44 |
| 110/329 |
Endless chain |
10 |
| 110/330 |
Having sprocket drive |
4 |
| 110/145 |
Spark and smoke conductors |
1 |
| 110/146 |
Train |
0 |
| 110/119 |
Spark arresters |
57 |
| 110/121 |
Combined stack and smokebox |
1 |
| 110/120 |
Furnace conductor |
0 |
| 110/122 |
Smokebox |
2 |
| 110/129 |
Discharge valve |
1 |
| 110/124 |
Divided |
0 |
| 110/123 |
Draft regulator |
2 |
| 110/127 |
Ejector |
0 |
| 110/125 |
Hood |
1 |
| 110/126 |
Vertical drum |
1 |
| 110/128 |
Water receptacle |
1 |
| 110/196 |
Straw burner and feeder |
13 |
| 110/197 |
External structure detachable from firebox |
1 |
| 110/182.5 |
Tuyeres |
64 |
| 110/182.6 |
Forge |
0 |
| 110/263 |
Utilizing powdered fuel |
386 |
| 110/264 |
Having rotary flow means |
289 |
| 110/265 |
Having secondary air mixing means |
179 |
| 110/266 |
With residue handling means (e.g., ash, etc.) |
75 |
| 110/336 |
Wall structure |
252 |
| 110/337 |
Bridgewall |
5 |
| 110/185 |
With control means responsive to a sensed condition |
130 |
| 110/186 |
Feed control |
149 |
| 110/188 |
Of noncombustible fluid; e.g., air, etc. |
91 |
| 110/189 |
Pressure sensor |
23 |
| 110/190 |
Temperature sensor |
137 |
| 110/187 |
Supplemental burner |
31 |
| 110/203 |
With exhaust gas treatment means |
196 |
| 110/210 |
Afterburning means |
207 |
| 110/214 |
Including means to add air |
245 |
| 110/212 |
Liquid or gaseous fueled |
186 |
| 110/213 |
Swirl inducing |
74 |
| 110/211 |
Means directing main flame or combustion products for afterburning |
187 |
| 110/208 |
Furnace having multiple firebox |
37 |
| 110/209 |
By undergrate means |
1 |
| 110/215 |
Means contacting exhaust gas with liquid |
245 |
| 110/216 |
Means separating particles from exhaust gas |
350 |
| 110/217 |
Outlet screen |
26 |
| 110/204 |
Recirculation means |
168 |
| 110/205 |
Air supply means |
45 |
| 110/206 |
Including pump |
19 |
| 110/207 |
Eductor |
8 |
| 110/218 |
With fuel treatment means |
54 |
| 110/229 |
Means for liberating gas from solid fuel |
344 |
| 110/230 |
Coking means |
40 |
| 110/231 |
Undergrate |
5 |
| 110/232 |
Means for pulverizing solid fuel |
81 |
| 110/219 |
Preliminary refuse treatment means |
63 |
| 110/222 |
Comminutor |
98 |
| 110/223 |
Compactor |
43 |
| 110/224 |
Dryer |
150 |
| 110/225 |
Furnace with multiple hearth |
61 |
| 110/227 |
Having means to effect or facilitate refuse movement |
41 |
| 110/228 |
Mechanical conveying means |
57 |
| 110/226 |
Rotary drum type |
122 |
| 110/220 |
Sorter |
46 |
| 110/221 |
Dewatering |
47 |
| 110/191 |
With programmed or cyclic control means |
26 |
| 110/192 |
Timer |
14 |
| 110/193 |
With safety means |
50 |