Class 202: DISTILLATION: APPARATUS ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
202
DISTILLATION: APPARATUS


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Subclass Title
ClassTitle ===> DISTILLATION: APPARATUS
81[Patents]APPARATUS
82[Patents] . Systems
83[Patents] . . Portably mounted
84[Patents] . . Separatory and thermolytic
85[Patents] . . Thermolytic and autothermic
86[Patents] . . . Retort and kiln
87[Patents] . . . . Retort heated by combustion
88[Patents] . . . Kiln and directly heated chamber
89[Patents] . . . . Interchangeable
90[Patents] . . . . Chamber externally heated
91[Patents] . . Autothermic
92[Patents] . . . Open kiln
93[Patents] . . . Closed kiln
94[Patents] . . . . With steam generator
95[Patents] . . . . With residue quencher or cooler
96[Patents] . . Thermolytic
97[Patents] . . . Stalls
98[Patents] . . . . Tunnels
99[Patents] . . . Directly heated chamber
100[Patents] . . . . Rotary chamber
101[Patents] . . . Dome ovens
102[Patents] . . . Hearths
103[Patents] . . . . Distilland transferring
104[Patents] . . . . . Vertical series
105[Patents] . . . Retort
106[Patents] . . . . With steam generation
107[Patents] . . . . With digester
108[Patents] . . . . With direct heating
109[Patents] . . . . With cyclic volatile circulation
110[Patents] . . . . With distilland pressure
111[Patents] . . . . With recuperators and regenerators
112[Patents] . . . . With distillate fixing chamber
113[Patents] . . . . Plural
114[Patents] . . . . . Common heating furnace
115[Patents] . . . . . Annularly arranged
116[Patents] . . . . . Vertical and horizontal or inclined
117[Patents] . . . . Conveying
118[Patents] . . . . . Screw
119[Patents] . . . . . Reciprocating
120[Patents] . . . . Vertical
121[Patents] . . . . . With fluid injection
122[Patents] . . . . . With recuperator
123[Patents] . . . . . With regenerator
124[Patents] . . . . . With heating chamber
125[Patents] . . . . . . Alternate reverse flow flues
126[Patents] . . . . . . Vertical flues
127[Patents] . . . . . . Circumvallate flues
128[Patents] . . . . Inclined
129[Patents] . . . . . With fluid injection
130[Patents] . . . . . With regenerator or recuperator
131[Patents] . . . . . Rotary
132[Patents] . . . . . Gas bench
133[Patents] . . . . Horizontal
134[Patents] . . . . . With fluid injection to retort
135[Patents] . . . . . Plural gas and/or air admission
136[Patents] . . . . . Rotary
137[Patents] . . . . . With heating chamber
138[Patents] . . . . . With flues
139[Patents] . . . . . . Vertical
140[Patents] . . . . . . . With recuperators
141[Patents] . . . . . . . With reversible regenerators
142[Patents] . . . . . . . . Alternatively poor and/or rich gas fuel
143[Patents] . . . . . . . . Regenerators reversing along the system
144[Patents] . . . . . . . . Regenerators reversing across the system
145[Patents] . . . . . . Horizontal
146[Patents] . . . . . . . With regenerators
147[Patents] . . . . . Gas bench
148[Patents] . . . . . . With recuperator
149[Patents] . . . . . . With fluid injection
150[Patents] . . . . Preheating
151[Patents] . . . . Combustion control devices
152[Patents] . . Separatory
153[Patents] . . . Still and column
154[Patents] . . . . Plural columns
155[Patents] . . . . Plural stills
156[Patents] . . . . . Parallel
158[Patents] . . . Column
159[Patents] . . . . With preheater
160[Patents] . . . . Automatic temperature and/or pressure control
161[Patents] . . . . Partial reflux condenser
162[Patents] . . . . Vapor-element by-pass
163[Patents] . . . Still
164[Patents] . . . . Recovery from containers
165[Patents] . . . . Still and stove
166[Patents] . . . . Still and stand boiler
167[Patents] . . . . Still and feed-water heater
168[Patents] . . . . Still and extractor
169[Patents] . . . . . Continuous extraction
170[Patents] . . . . Still extractor
172[Patents] . . . . Plural
173[Patents] . . . . . Series
174[Patents] . . . . . . Multiple effect
175[Patents] . . . . With agitator
176[Patents] . . . . With distilland treating devices
177[Patents] . . . . . Preheater
178[Patents] . . . . . . Straining
179[Patents] . . . . . . Dephlegmating
180[Patents] . . . . . . Condensing
181[Patents] . . . . . Level control
182[Patents] . . . . With vapor-treating devices
183[Patents] . . . . . Still and absorber
184[Patents] . . . . . . Still absorber
185.1[Patents] . . . . . Condenser
185.2[Patents] . . . . . . Direct contact
185.3[Patents] . . . . . . Air condensers
185.4[Patents] . . . . . . Circulating coolant in cap or top closure
185.5[Patents] . . . . . . Helical coil for vapor stream
185.6[Patents] . . . . . . Helical coil for coolant
186[Patents] . . . . . . Plural
187[Patents] . . . . . . Concentric with still
188[Patents] . . . . . . Still supporting
189[Patents] . . . . . . Still supported
190[Patents] . . . . . . . Cap (or closure)
191[Patents] . . . . . . . . Jacketed
192[Patents] . . . . . . . . . 0Still feeding
193[Patents] . . . . . . . . . . 0Distilland-level control
194[Patents] . . . . . . . Still feeding
195[Patents] . . . . . . Still feeding
196[Patents] . . . . . . . Distilland-level control
197[Patents] . . . . . With separator
198[Patents] . . . . . Dephlegmator
199[Patents] . . . . . Doubler
200[Patents] . . . . . Filter
201[Patents] . . . . . Aerator
202[Patents] . . . . With condensate-treating devices
203[Patents] . . . . . Aeration
204[Patents] . . . . . Decanter
205[Patents] . . . . Vacuum
206[Patents] . . . . Automatic heat control
. Types
. . Separatory and thermolytic
207[Patents] . . . Stump stills
208[Patents] . . . Directly heated chamber
209[Patents] . . . Still retort
. . Autothermic
210[Patents] . . . Heap
211[Patents] . . . Kiln
212[Patents] . . . . Arched
213[Patents] . . . . Partable and/or knockdown
214[Patents] . . . . Bottom discharge
215[Patents] . . . Directly heated chamber
216[Patents] . . . . Rotary
217[Patents] . . . Retort
218[Patents] . . . . Rotary and/or tilting
219[Patents] . . . . Molten bath
220[Patents] . . . . Flued
221[Patents] . . . . Vertical
222[Patents] . . . . Structural features
223[Patents] . . . . . Wall
224[Patents] . . . . . Shields
225[Patents] . . . . . Cores
226[Patents] . . . . Residue treatment
227[Patents] . . . Quencher
228[Patents] . . . . Gas or vapor circulating
229[Patents] . . . . Submersible chamber
230[Patents] . . . . Conveyer type
. . Separatory
232[Patents] . . . Still
233[Patents] . . . . Directly and indirectly heated
234[Patents] . . . . Directly heated
235[Patents] . . . . Indirectly heated
236[Patents] . . . . Spray forming and filming
237[Patents] . . . . Tubular
238[Patents] . . . . Rotary and/or tiltable
239[Patents] . Elements
241[Patents] . . Cleaning and decarbonizing
242[Patents] . . Closures
243[Patents] . . . Fluid cooled
. . . Dome ovens
244[Patents] . . . . Tunnel heads and lids
245[Patents] . . . . Removable
246[Patents] . . . . Hinged
247[Patents] . . . Horizontal retort
248[Patents] . . . . Coke-oven type
249[Patents] . . . . Rotary retort
250[Patents] . . . Top
251[Patents] . . . . Charging
252[Patents] . . . Bottom
253[Patents] . . . . Cooling or quenching
254[Patents] . . Offtakes
255[Patents] . . . Dip pipes and mains
256[Patents] . . . . Valved
257[Patents] . . . Plural
258[Patents] . . . Valved
259[Patents] . . . Jacketed
260[Patents] . . . Cooled
261[Patents] . . . Residue offtakes
262[Patents] . . Feeding and discharging
263[Patents] . . . Smoke escapes
264[Patents] . . Foam control
265[Patents] . . Agitating
266[Patents] . . Distilland supports and containers
267.1[Patents] . . Materials of construction
267.2[Patents] . . . Corrugated walls
268[Patents] . . Expansion provisions
269[Patents] . . Air and gas seals
270[Patents] . Accessories and details
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DIGEST
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DIG 1[Patents]Scale problems digest


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Last Modified: 6 October 2000