Class 110: FURNACES ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
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Manual of U.S. Patent Classification
as of June 30, 2000


Class
110
FURNACES


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Subclass definitions may be accessed by clicking on the subclass number, below.

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Subclass Title
ClassTitle ===> FURNACES
185[Patents]WITH CONTROL MEANS RESPONSIVE TO A SENSED CONDITION
186[Patents] . Feed control
187[Patents] . . Supplemental burner
188[Patents] . . Of noncombustible fluid; e.g., air, etc.
189[Patents] . . . Pressure sensor
190[Patents] . . . Temperature sensor
191[Patents]WITH PROGRAMMED OR CYCLIC CONTROL MEANS
192[Patents] . Timer
193[Patents]WITH SAFETY MEANS
194[Patents]CREMATORY
195[Patents]FORGE
196[Patents]STRAW BURNER AND FEEDER
197[Patents] . External structure detachable from firebox
198[Patents]LOCOMOTIVE
199[Patents] . Having noncombustible fluid feed means
200[Patents] . . And noncombustible fluid treatment means
201[Patents] . . . Preheater
202[Patents] . . Undergrate feed
203[Patents]WITH EXHAUST GAS TREATMENT MEANS
204[Patents] . Recirculation means
205[Patents] . . Air supply means
206[Patents] . . . Including pump
207[Patents] . . . . Eductor
208[Patents] . Furnace having multiple firebox
209[Patents] . . By undergrate means
210[Patents] . Afterburning means
211[Patents] . . Means directing main flame or combustion products for afterburning
212[Patents] . . Liquid or gaseous fueled
213[Patents] . . . Swirl inducing
214[Patents] . . Including means to add air
215[Patents] . Means contacting exhaust gas with liquid
216[Patents] . Means separating particles from exhaust gas
217[Patents] . . Outlet screen
218[Patents]WITH FUEL TREATMENT MEANS
219[Patents] . Preliminary refuse treatment means
220[Patents] . . Sorter
221[Patents] . . . Dewatering
222[Patents] . . Comminutor
223[Patents] . . Compactor
224[Patents] . . Dryer
225[Patents] . . . Furnace with multiple hearth
226[Patents] . . . Rotary drum type
227[Patents] . . . Having means to effect or facilitate refuse movement
228[Patents] . . . . Mechanical conveying means
229[Patents] . Means for liberating gas from solid fuel
230[Patents] . . Coking means
231[Patents] . . . Undergrate
232[Patents] . Means for pulverizing solid fuel
233[Patents]COMBINED
234[Patents] . With boiler
235[Patents]REFUSE INCINERATOR
236[Patents] . Means for cleaning by combustion
237[Patents] . For explosive or radioactive material
238[Patents] . For liquid refuse
239[Patents] . For stump in situ
240[Patents] . Vehicle mounted
241[Patents] . Portable
242[Patents] . Closed vessel
243[Patents] . Refuse suspended in or supported by a fluid medium
244[Patents] . . Suspended in a gaseous medium
245[Patents] . . . Fluidized bed of noncombustible particles
246[Patents] . Rotary drum
247[Patents] . Rotary grate movable about a vertical axis
248[Patents] . Refuse supported above grate
249[Patents] . Reverberatory type
250[Patents] . With electric heater
251[Patents] . Including air supply means extending vertically within refuse
252[Patents] . . With supplementary burner
253[Patents] . With means shielding burner for refuse
254[Patents] . With air preheater
255[Patents] . With means for advancing or handling refuse or residue
256[Patents] . . Means for feeding through chimney
257[Patents] . . Continuous advance
258[Patents] . . Refuse agitating
259[Patents] . . Residue handling; e.g., ash, etc.
260[Patents]INCLUDING FLUID FUEL BURNER
261[Patents] . Powdered solid fuel
262[Patents] . . Alternate fuel
263[Patents]UTILIZING POWDERED FUEL
264[Patents] . Having rotary flow means
265[Patents] . Having secondary air mixing means
266[Patents] . With residue handling means (e.g., ash, etc.)
267[Patents]INCLUDING MEANS TO FEED SOLID FUEL
268[Patents] . Movable grate
269[Patents] . . Endless chain
270[Patents] . . . Including air supply means
271[Patents] . . . . And chain seal
272[Patents] . . . . . Between runs
273[Patents] . . . Inclined run
274[Patents] . . . Mobile support
275[Patents] . . Rotary
276[Patents] . . . About horizontal axis
277[Patents] . . . Conical type
278[Patents] . . Oscillatory
279[Patents] . . . Manual actuation means
280[Patents] . . . Multiple retort
281[Patents] . . Reciprocatory
282[Patents] . . . Including power feed
283[Patents] . . . . Underfeed
284[Patents] . . . . . Power feed perpendicular to grate
285[Patents] . . Raking bar type
286[Patents] . Power driven
287[Patents] . . Having circular grate
288[Patents] . . . And forced air supply
289[Patents] . . Pusher ram
290[Patents] . . . Parallel to grate
291[Patents] . . . . Inclined step grate
292[Patents] . Separate feed
293[Patents] . Supply hopper; e.g., magazine, etc.
294[Patents] . . Cage grate
295[Patents]HAVING MULTIPLE FIREBOX
296[Patents] . Including fluid supply means
297[Patents]INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS
298[Patents] . Hollow grate
299[Patents] . . Having flow controller
300[Patents] . . . For forced air supply
301[Patents] . Having treatment means
302[Patents] . . Preheater
303[Patents] . . . And furnace gas mixer
304[Patents] . . . Remote from combustion chamber
305[Patents] . . . Bridgewall
306[Patents] . . . Water or steam
307[Patents] . . . . Below grate
308[Patents] . . . Internal to or attachable to wall
309[Patents] . . And flow modifying means
310[Patents] . . . Deflector
311[Patents] . . . . Grate mounted
312[Patents] . . . . . Below grate
313[Patents] . . . Feed nozzle
314[Patents] . Supplying through hollow bridgewall
315[Patents]DOWNDRAFT
316[Patents] . Grateless
317[Patents]INCLUDING FIREBOX
318[Patents] . Having arch
319[Patents] . . And flame shaper
320[Patents] . . Adjustable dimension firebox
321[Patents] . . Door arch
322[Patents]BAFFLE OR HEAT RETAINER STRUCTURE
323[Patents] . Refractory type
324[Patents] . . Having concavity for engaging pipe exterior
325[Patents] . . . And structure to bridge pipes
326[Patents] . Metallic type
327[Patents]SOLID FUEL FEED STRUCTURE
328[Patents] . Movable grate
329[Patents] . . Endless chain
330[Patents] . . . Having sprocket drive
331[Patents]ARCH OR ROOF STRUCTURE
332[Patents] . Planar surface area
333[Patents] . . Inclined
334[Patents] . . . And convex surface area
335[Patents] . Concave surface area
336[Patents]WALL STRUCTURE
337[Patents] . Bridgewall
338[Patents]BRICK ELEMENT
339[Patents] . Having hanger
340[Patents] . . And metal casing
341[Patents]PROCESS
342[Patents] . Treating fuel constituent or combustion product
343[Patents] . . To prevent corrosion of furnace
344[Patents] . . Combustion product
345[Patents] . . . Exhaust gas; e.g., pollution control, etc.
346[Patents] . Incinerating refuse
347[Patents] . Burning pulverized fuel
348[Patents] . Supplying fluid
101R[Patents]FUEL FEEDERS
102[Patents] . Shavings and sawdust
103[Patents] . Boiler controlled
104R[Patents] . Blower
105[Patents] . . Hopper
105.5[Patents] . . Locomotive stroker type
105.6[Patents] . . . Underfeed to jet only
106[Patents] . . Pulverizer
104A[Patents] . . Locomotive distributor plates
104B[Patents] . . Burners, per se
107[Patents] . Bridgewall
108[Patents] . Hopper
. . Pusher
109[Patents] . . . Reciprocating
110[Patents] . . . Screw
. Spreader
111[Patents] . . Carrier
112[Patents] . . . Door
113[Patents] . . Oscillating
114[Patents] . . Reciprocating plunger
115[Patents] . . Rotary
. Chute
116[Patents] . . Door
117[Patents] . . . Multiple charge
118[Patents] . Vertical drop
101A[Patents] . Shiftable stoker
101C[Patents] . Automatic control
101CF[Patents] . Fuel control
101CA[Patents] . Feeder responsive to fuel bed temperature
101CB[Patents] . Feeder responsive to fuel bed pressure
101CC[Patents] . Feeder responsive to fuel bed weight
101CD[Patents] . Feeder responsive to fuel bed height
119[Patents]SPARK ARRESTERS
120[Patents] . Furnace conductor
121[Patents] . Combined stack and smokebox
122[Patents] . Smokebox
123[Patents] . . Draft regulator
124[Patents] . . Divided
125[Patents] . . Hood
126[Patents] . . Vertical drum
127[Patents] . . Ejector
128[Patents] . . Water receptacle
129[Patents] . . Discharge valve
145[Patents]SPARK AND SMOKE CONDUCTORS
146[Patents] . Train
147[Patents]DRAFT REGULATORS
148[Patents] . Separation of gases
150[Patents] . Steam injector
157[Patents] . . Feeding air
158[Patents] . . . Door operated
. Stack
159[Patents] . . Portable
160[Patents] . . Air jet
161[Patents] . . . Steam injected
162[Patents] . Fan exhaust
163[Patents] . Damper
165R[Patents]ASH RECEIVING AND HANDLING DEVICES
166[Patents] . Ashpans
167[Patents] . . Dumping
168[Patents] . . . Conjoined floor sections
169[Patents] . . . Reciprocating discharge valve
170[Patents] . . . Scraper
171[Patents] . . Steam and water attachments
165A[Patents] . Fly ash disposers
172[Patents]FRONTS
173R[Patents]DOORS
174[Patents] . Feeding air and steam
175R[Patents] . Feeding air
175A[Patents] . . Automatic door dampers
176[Patents] . Operators
177[Patents] . . Motor
178[Patents] . . Pedal
179[Patents] . Fluid screens
173A[Patents] . Soaking pit covers
173B[Patents] . Explosion relief doors
173C[Patents] . Compound doors
DOORS AND CASINGS
180[Patents] . Cooling
181[Patents]DOOR CASINGS AND ARCHES
182[Patents] . Feeding air
182.5[Patents]TUYERES
182.6[Patents] . Forge
184[Patents]SMOKESTACKS
349[Patents]MISCELLANEOUS


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Last Modified: 6 October 2000