US Patent Class 202
DISTILLATION: APPARATUS
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 81 | DF | APPARATUS |
| 82 | DF | .~ Systems |
| 83 | DF | .~.~ Portably mounted |
| 84 | DF | .~.~ Separatory and thermolytic |
| 85 | DF | .~.~ Thermolytic and autothermic |
| 86 | DF | .~.~.~ Retort and kiln |
| 87 | DF | .~.~.~.~ Retort heated by combustion |
| 88 | DF | .~.~.~ Kiln and directly heated chamber |
| 89 | DF | .~.~.~.~ Interchangeable |
| 90 | DF | .~.~.~.~ Chamber externally heated |
| 91 | DF | .~.~ Autothermic |
| 92 | DF | .~.~.~ Open kiln |
| 93 | DF | .~.~.~ Closed kiln |
| 94 | DF | .~.~.~.~ With steam generator |
| 95 | DF | .~.~.~.~ With residue quencher or cooler |
| 96 | DF | .~.~ Thermolytic |
| 97 | DF | .~.~.~ Stalls |
| 98 | DF | .~.~.~.~ Tunnels |
| 99 | DF | .~.~.~ Directly heated chamber |
| 100 | DF | .~.~.~.~ Rotary chamber |
| 101 | DF | .~.~.~ Dome ovens |
| 102 | DF | .~.~.~ Hearths |
| 103 | DF | .~.~.~.~ Distilland transferring |
| 104 | DF | .~.~.~.~.~ Vertical series |
| 105 | DF | .~.~.~ Retort |
| 106 | DF | .~.~.~.~ With steam generation |
| 107 | DF | .~.~.~.~ With digester |
| 108 | DF | .~.~.~.~ With direct heating |
| 109 | DF | .~.~.~.~ With cyclic volatile circulation |
| 110 | DF | .~.~.~.~ With distilland pressure |
| 111 | DF | .~.~.~.~ With recuperators and regenerators |
| 112 | DF | .~.~.~.~ With distillate fixing chamber |
| 113 | DF | .~.~.~.~ Plural |
| 114 | DF | .~.~.~.~.~ Common heating furnace |
| 115 | DF | .~.~.~.~.~ Annularly arranged |
| 116 | DF | .~.~.~.~.~ Vertical and horizontal or inclined |
| 117 | DF | .~.~.~.~ Conveying |
| 118 | DF | .~.~.~.~.~ Screw |
| 119 | DF | .~.~.~.~.~ Reciprocating |
| 120 | DF | .~.~.~.~ Vertical |
| 121 | DF | .~.~.~.~.~ With fluid injection |
| 122 | DF | .~.~.~.~.~ With recuperator |
| 123 | DF | .~.~.~.~.~ With regenerator |
| 124 | DF | .~.~.~.~.~ With heating chamber |
| 125 | DF | .~.~.~.~.~.~ Alternate reverse flow flues |
| 126 | DF | .~.~.~.~.~.~ Vertical flues |
| 127 | DF | .~.~.~.~.~.~ Circumvallate flues |
| 128 | DF | .~.~.~.~ Inclined |
| 129 | DF | .~.~.~.~.~ With fluid injection |
| 130 | DF | .~.~.~.~.~ With regenerator or recuperator |
| 131 | DF | .~.~.~.~.~ Rotary |
| 132 | DF | .~.~.~.~.~ Gas bench |
| 133 | DF | .~.~.~.~ Horizontal |
| 134 | DF | .~.~.~.~.~ With fluid injection to retort |
| 135 | DF | .~.~.~.~.~ Plural gas and/or air admission |
| 136 | DF | .~.~.~.~.~ Rotary |
| 137 | DF | .~.~.~.~.~ With heating chamber |
| 138 | DF | .~.~.~.~.~ With flues |
| 139 | DF | .~.~.~.~.~.~ Vertical |
| 140 | DF | .~.~.~.~.~.~.~ With recuperators |
| 141 | DF | .~.~.~.~.~.~.~ With reversible regenerators |
| 142 | DF | .~.~.~.~.~.~.~.~ Alternatively poor and/or rich gas fuel |
| 143 | DF | .~.~.~.~.~.~.~.~ Regenerators reversing along the system |
| 144 | DF | .~.~.~.~.~.~.~.~ Regenerators reversing across the system |
| 145 | DF | .~.~.~.~.~.~ Horizontal |
| 146 | DF | .~.~.~.~.~.~.~ With regenerators |
| 147 | DF | .~.~.~.~.~ Gas bench |
| 148 | DF | .~.~.~.~.~.~ With recuperator |
| 149 | DF | .~.~.~.~.~.~ With fluid injection |
| 150 | DF | .~.~.~.~ Preheating |
| 151 | DF | .~.~.~.~ Combustion control devices |
| 152 | DF | .~.~ Separatory |
| 153 | DF | .~.~.~ Still and column |
| 154 | DF | .~.~.~.~ Plural columns |
| 155 | DF | .~.~.~.~ Plural stills |
| 156 | DF | .~.~.~.~.~ Parallel |
| 158 | DF | .~.~.~ Column |
| 159 | DF | .~.~.~.~ With preheater |
| 160 | DF | .~.~.~.~ Automatic temperature and/or pressure control |
| 161 | DF | .~.~.~.~ Partial reflux condenser |
| 162 | DF | .~.~.~.~ Vapor-element by-pass |
| 163 | DF | .~.~.~ Still |
| 164 | DF | .~.~.~.~ Recovery from containers |
| 165 | DF | .~.~.~.~ Still and stove |
| 166 | DF | .~.~.~.~ Still and stand boiler |
| 167 | DF | .~.~.~.~ Still and feed-water heater |
| 168 | DF | .~.~.~.~ Still and extractor |
| 169 | DF | .~.~.~.~.~ Continuous extraction |
| 170 | DF | .~.~.~.~ Still extractor |
| 172 | DF | .~.~.~.~ Plural |
| 173 | DF | .~.~.~.~.~ Series |
| 174 | DF | .~.~.~.~.~.~ Multiple effect |
| 175 | DF | .~.~.~.~ With agitator |
| 176 | DF | .~.~.~.~ With distilland treating devices |
| 177 | DF | .~.~.~.~.~ Preheater |
| 178 | DF | .~.~.~.~.~.~ Straining |
| 179 | DF | .~.~.~.~.~.~ Dephlegmating |
| 180 | DF | .~.~.~.~.~.~ Condensing |
| 181 | DF | .~.~.~.~.~ Level control |
| 182 | DF | .~.~.~.~ With vapor-treating devices |
| 183 | DF | .~.~.~.~.~ Still and absorber |
| 184 | DF | .~.~.~.~.~.~ Still absorber |
| 185.1 | DF | .~.~.~.~.~ Condenser |
| 185.2 | DF | .~.~.~.~.~.~ Direct contact |
| 185.3 | DF | .~.~.~.~.~.~ Air condensers |
| 185.4 | DF | .~.~.~.~.~.~ Circulating coolant in cap or top closure |
| 185.5 | DF | .~.~.~.~.~.~ Helical coil for vapor stream |
| 185.6 | DF | .~.~.~.~.~.~ Helical coil for coolant |
| 186 | DF | .~.~.~.~.~.~ Plural |
| 187 | DF | .~.~.~.~.~.~ Concentric with still |
| 188 | DF | .~.~.~.~.~.~ Still supporting |
| 189 | DF | .~.~.~.~.~.~ Still supported |
| 190 | DF | .~.~.~.~.~.~.~ Cap (or closure) |
| 191 | DF | .~.~.~.~.~.~.~.~ Jacketed |
| 192 | DF | .~.~.~.~.~.~.~.~.~ Still feeding |
| 193 | DF | .~.~.~.~.~.~.~.~.~.~ Distilland-level control |
| 194 | DF | .~.~.~.~.~.~.~ Still feeding |
| 195 | DF | .~.~.~.~.~.~ Still feeding |
| 196 | DF | .~.~.~.~.~.~.~ Distilland-level control |
| 197 | DF | .~.~.~.~.~ With separator |
| 198 | DF | .~.~.~.~.~ Dephlegmator |
| 199 | DF | .~.~.~.~.~ Doubler |
| 200 | DF | .~.~.~.~.~ Filter |
| 201 | DF | .~.~.~.~.~ Aerator |
| 202 | DF | .~.~.~.~ With condensate-treating devices |
| 203 | DF | .~.~.~.~.~ Aeration |
| 204 | DF | .~.~.~.~.~ Decanter |
| 205 | DF | .~.~.~.~ Vacuum |
| 206 | DF | .~.~.~.~ Automatic heat control |
| * | DD | .~ Types |
| * | DD | .~.~ Separatory and thermolytic |
| 207 | DF | .~.~.~ Stump stills |
| 208 | DF | .~.~.~ Directly heated chamber |
| 209 | DF | .~.~.~ Still retort |
| * | DD | .~.~ Autothermic |
| 210 | DF | .~.~.~ Heap |
| 211 | DF | .~.~.~ Kiln |
| 212 | DF | .~.~.~.~ Arched |
| 213 | DF | .~.~.~.~ Partable and/or knockdown |
| 214 | DF | .~.~.~.~ Bottom discharge |
| 215 | DF | .~.~.~ Directly heated chamber |
| 216 | DF | .~.~.~.~ Rotary |
| 217 | DF | .~.~.~ Retort |
| 218 | DF | .~.~.~.~ Rotary and/or tilting |
| 219 | DF | .~.~.~.~ Molten bath |
| 220 | DF | .~.~.~.~ Flued |
| 221 | DF | .~.~.~.~ Vertical |
| 222 | DF | .~.~.~.~ Structural features |
| 223 | DF | .~.~.~.~.~ Wall |
| 224 | DF | .~.~.~.~.~ Shields |
| 225 | DF | .~.~.~.~.~ Cores |
| 226 | DF | .~.~.~.~ Residue treatment |
| 227 | DF | .~.~.~ Quencher |
| 228 | DF | .~.~.~.~ Gas or vapor circulating |
| 229 | DF | .~.~.~.~ Submersible chamber |
| 230 | DF | .~.~.~.~ Conveyer type |
| * | DD | .~.~ Separatory |
| 232 | DF | .~.~.~ Still |
| 233 | DF | .~.~.~.~ Directly and indirectly heated |
| 234 | DF | .~.~.~.~ Directly heated |
| 235 | DF | .~.~.~.~ Indirectly heated |
| 236 | DF | .~.~.~.~ Spray forming and filming |
| 237 | DF | .~.~.~.~ Tubular |
| 238 | DF | .~.~.~.~ Rotary and/or tiltable |
| 239 | DF | .~ Elements |
| 241 | DF | .~.~ Cleaning and decarbonizing |
| 242 | DF | .~.~ Closures |
| 243 | DF | .~.~.~ Fluid cooled |
| * | DD | .~.~.~ Dome ovens |
| 244 | DF | .~.~.~.~ Tunnel heads and lids |
| 245 | DF | .~.~.~.~ Removable |
| 246 | DF | .~.~.~.~ Hinged |
| 247 | DF | .~.~.~ Horizontal retort |
| 248 | DF | .~.~.~.~ Coke-oven type |
| 249 | DF | .~.~.~.~ Rotary retort |
| 250 | DF | .~.~.~ Top |
| 251 | DF | .~.~.~.~ Charging |
| 252 | DF | .~.~.~ Bottom |
| 253 | DF | .~.~.~.~ Cooling or quenching |
| 254 | DF | .~.~ Offtakes |
| 255 | DF | .~.~.~ Dip pipes and mains |
| 256 | DF | .~.~.~.~ Valved |
| 257 | DF | .~.~.~ Plural |
| 258 | DF | .~.~.~ Valved |
| 259 | DF | .~.~.~ Jacketed |
| 260 | DF | .~.~.~ Cooled |
| 261 | DF | .~.~.~ Residue offtakes |
| 262 | DF | .~.~ Feeding and discharging |
| 263 | DF | .~.~.~ Smoke escapes |
| 264 | DF | .~.~ Foam control |
| 265 | DF | .~.~ Agitating |
| 266 | DF | .~.~ Distilland supports and containers |
| 267.1 | DF | .~.~ Materials of construction |
| 267.2 | DF | .~.~.~ Corrugated walls |
| 268 | DF | .~.~ Expansion provisions |
| 269 | DF | .~.~ Air and gas seals |
| 270 | DF | .~ Accessories and details |
| ****************************** | ||
| DIGEST | ||
| ****************************** | ||
| DIG 1 | DD | Scale problems digest |