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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 34 | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
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245 | MATERIAL TREATED BY ELECTROMAGNETIC ENERGY |
246 | Electric current applied directly through material |
247 | Induction heater |
248 | Magnetic field |
250 | Electrostatic field |
251 | Having suction means |
252 | Having vibration means |
253 | Having needlelike electrodes |
254 | Having heating or cooling means |
255 | Radio or high-frequency energy |
259 | Microwave energy |
260 | Clothes dryer |
262 | Having vibrating means |
263 | Having pressure reducing means |
264 | Plural units or chambers |
265 | Having treating gas or vapor circulation |
266 | Infrared energy |
267 | Having treating gas or vapor circulation |
268 | Radiation controlled by other drying parameters |
270 | Vehicle paint dryer |
273 | Sheets, webs, or strands |
275 | Ultraviolet energy |
279 | MATERIAL TREATED BY ACOUSTIC ENERGY |
280 | FEATHER TREATING |
282 | PROCESS |
283 | Hair on head |
284 | Freeze-drying |
285 | With separating of frozen fluid from treated material |
287 | Including vacuum |
298 | With gas or vapor treating |
302 | Congealing or thickening |
303 | By adding congealing or thickening agent |
304 | By cooling of treated material |
305 | By evaporating moisturizing fluid |
306 | Sheet or web contact preventing by spacer sheet, web, or strand |
307 | Retarding or shielding of treatment |
308 | Radiation applying with shielding |
309 | Shielding by selective application of gas or vapor flow |
310 | Application of temporary coating |
311 | Shielding by use of physical barrier to treating gas or vapor |
312 | By centrifugal force |
313 | Continuous processing |
314 | With centrifugal spraying of the treated material |
315 | With heating |
316 | With recirculation of treated material |
317 | With carrier for thin discrete article |
318 | Rotating drum or basket |
319 | Variable speed |
320 | With pressurized atmosphere |
321 | Including heating |
322 | Foraminous basket |
324 | With inert atmosphere |
325 | With pressurized atmosphere |
326 | Rotating gas or vapor stream |
328 | With additional conveying means |
329 | With contacting of material treated with solid or liquid agent |
330 | With regeneration or removal of treating agent |
331 | Treating agent consists of both solid and liquid |
332 | Treating agent is a solid |
333 | With treating of solid material |
334 | With treating of suspension or slurry |
335 | Using absorbent band or belt |
336 | Using absorbent roller |
337 | Treating agent is a liquid |
343 | With addition of heat to drying process |
344 | Treating agent consists of both solid and liquid |
345 | Treating agent is a solid |
348 | Treating agent is a liquid |
353 | Solid treating agent treats solid material |
356 | Solid treating agent treats suspension or slurry |
357 | Liquid treating agent treats solid material |
359 | With fluid current conveying or suspension of treated material |
360 | Suspension of treated material |
361 | Including applying vacuum |
362 | Including pressurizing atmosphere |
363 | With additional heat exchange |
364 | Including gas or vapor flow variation |
366 | Including downward impinging fluid flow |
367 | With additional conveying |
368 | Including agitating or comminuting of treated material |
369 | Including baffle or deflector to adjust material flow |
370 | With plural treating zones |
371 | Including material separators or sorters |
372 | Spray drying and cooling of slurry or suspension |
375 | Having embedded loop circulation of treated material |
376 | With treated material recirculation |
380 | With nondrying treating of material |
381 | Nondrying treating precedes drying |
385 | Material shaping |
386 | Mixing or grinding |
387 | Shearing or comminuting |
388 | Compacting or restraining |
389 | Adding of nondrying treating substance |
391 | Cooling of treated material |
397 | Mechanical liquid removal |
398 | Using compression |
399 | Expressing liquid by use of roller |
400 | Expressing liquid by moving treated material through restriction |
401 | Using vibration |
402 | Gas or vapor pressure varies during treatment |
406 | Gas or vapor pressure is subatmospheric |
413 | Gas or vapor pressure is superatmospheric |
416 | Contacting gas or vapor with solid sorbent to store gas or vapor |
417 | With sealing of treating chamber |
418 | Diverse types of drying operations |
427 | Combined |
428 | Cooling by gas or vapor contact |
429 | Including conveyor |
430 | Gas or vapor flow to top and bottom of treated material |
431 | Gas or vapor flow to bottom of treated material |
432 | Gas or vapor flow concurrent or countercurrent to treated material flow |
433 | Gas or vapor flow to top and bottom of treated material |
434 | Gas or vapor flow to bottom of treated material |
435 | Gas or vapor flow concurrent or countercurrent to treated material flow |
437 | Treating hollow article |
438 | Having conveyor |
439 | Treating fluid directed to interior and exterior of hollow article |
440 | With specific support for hollow article |
442 | Form-supported treated article |
443 | Gas or vapor contact with treated material |
444 | Sheet, web, or strand |
445 | With drying parameter control |
446 | Temperature or moisture control of material treated or treating gas or vapor |
447 | Material speed control |
448 | Vapor or gas treatment |
451 | Plural treating chambers |
452 | Gas or vapor drawn through treated material |
454 | With contact with heat exchanger (e.g., drum or roller) |
459 | Running length of treated material |
460 | Gas or vapor suspends treated material |
462 | With spacing or coiling |
463 | Directing of gas or vapor |
466 | With spacing, coiling, or rolling |
467 | Treatment of gas or vapor |
468 | Condensation of gas or vapor |
472 | Absorption/adsorption of gas or vapor released from treated material |
474 | Gas or vapor humidity regulation |
476 | Gas or vapor temperature regulation |
478 | Combustion of gas or vapor |
480 | Filtering of gas or vapor |
481 | Material thickness controlled |
482 | Material speed or quantity controlled |
486 | Timing of application of gas or vapor to treated material based on drying variables |
487 | Gas or vapor flow directing or control |
488 | Flow direction changes during treatment |
491 | Temperature or moisture content of treated material or chamber controls or directs gas or vapor |
492 | Gas or vapor flow varied during treatment |
493 | Temperature of treating gas or vapor controlled |
494 | To prevent damage to material or system |
495 | Temperature of gas or vapor regulated by other drying variables |
496 | Multiple temperature levels of gas or vapor |
497 | Temperature of treating chamber regulated |
498 | With treated material motion |
499 | Rotating drum |
500 | With conveyor |
503 | Concurrent gas or vapor flow |
504 | Countercurrent gas or vapor flow |
506 | Transverse flow of gas or vapor |
507 | Treating gas or vapor drawn through material |
508 | Gas or vapor directed above and below treated material |
509 | Gas or vapor directed below treated material |
510 | Gas or vapor directed above treated material |
511 | Natural ambient air drying of material |
513 | Heat conserving |
516 | Special gas or vapor |
518 | Piling or arranging material treated |
519 | Conductive heating |
522 | Solar drying |
523 | APPARATUS |
524 | With automatic control |
525 | By web breaking |
526 | Of plural operations |
527 | Of specific operational sequence |
528 | Using specific moisture sensor structure |
529 | With photoelectric device |
530 | With vacuum sensor |
531 | With threshold circuit device |
534 | With door switch |
535 | Having two of heater, contacting gas humidity, or gas mixing |
536 | With weight measuring means |
537 | Having wet bulb and dry bulb thermometers |
538 | With means to produce reduced or negative pressure |
539 | With fuel burner |
540 | Having plural compartments |
541 | With delivery nozzle for contacting gas or vapor |
542 | With means to increase humidity of contacting gas or vapor |
543 | With heater |
548 | Of gas mixing |
549 | Of heater |
550 | Sensor engages material |
551 | Having burner control |
552 | By steam pressure or temperature |
553 | Electric heater |
554 | Of heater blower |
555 | With means to remove excess heat |
556 | By web or strand tension or breaking |
557 | Of contacting gas humidity |
558 | Of gas or vapor pressure in treating enclosure |
560 | Of rate of treated material motion |
562 | Of time period |
565 | Of flow of gas or vapor treating fluid |
566 | With diverter means to alternate flow paths |
567 | Exhaust controlled by solvent concentration |
568 | Steam pressure controlled |
569 | Of circulation means |
570 | With flow control valve |
571 | With flow control dampers at outlet |
572 | Of starting or stopping |
573 | Of treated material feeding or discharging |
576 | With fluid current conveying of treated material |
577 | Downward fluid flow impinging solid floor |
578 | Having tubular heat exchanger |
579 | With means to vary gas or vapor flow |
580 | With additional conveying means |
582 | With specific gas distributor |
583 | Having angled floor or wall |
584 | Having thermal expansion adjustment |
585 | Gas or vapor delivery nozzle |
586 | With means to agitate or comminute material |
587 | Gas or vapor presses material against screen or sieve |
588 | With baffle or deflector to adjust material flow |
589 | With plural treating zones or compartments |
591 | With material separator |
593 | With mechanical rotating element |
594 | Using rotary gas current |
58 | With apparatus using centrifugal force |
60 | For diverse operations on treated material |
61 | With two or more nondrying means |
62 | With treated material cooling means |
63 | Internal rotary drum drier |
64 | Gravity flow-type drier |
66 | Cooler chamber integral with or similar to drier |
67 | Atmospheric |
68 | Diverse heater types and/or gas or vapor contact types only |
69 | Diverse types of liquid removers only |
72 | With means to treat gas or vapor |
73 | By vapor condensation |
74 | With other gas or vapor treatment |
75 | Direct contact with cooling substance |
76 | With forced circulation |
78 | Recirculation of treating gas or vapor |
79 | Separation of substances from treating or exhaust gases or vapors |
83 | Jet devices |
85 | With apparatus cleaner and/or escaping material collector |
86 | With waste gas heat and/or power conservers |
87 | With means to interlock operable elements |
88 | With display, inspecting, or illuminating means |
89 | With indicating or testing means |
89.1 | Blotting means combined with means for purpose other than drying |
90 | Combined |
91 | Convertible |
92 | Vacuum |
93 | Solar |
94 | Sheet or web contact preventing by spacer sheets, webs, or strands |
95 | Means to remove liquid from treated material by contact with solids |
96 | For hair on head |
102 | Treated material recirculating means |
103 | Forms |
104 | For hollow article |
107 | For slender rigid articles |
108 | Rotary drums or receptacles |
109 | Compartmented or pocketed |
110 | External |
111 | With belt or felt drier |
112 | With hopper feed or article securing means |
113 | Plural |
114 | Gas or vapor circulation for contact with treated material |
116 | With belts or felts |
119 | Heat exchange fluid supply and/or removal |
120 | Threading, stripping, or guiding devices |
121 | Mounting and/or driving means |
122 | Gas or vapor circulation for contact with treated material |
123 | With belts or felts |
124 | Heat exchange fluid supply and/or removal |
126 | With additional translating means |
127 | Plural |
130 | With gas or vapor flow for contact with treated material |
131 | Recirculation of treating gas or vapor |
132 | With heating means |
595 | With drum or receptacle enclosing housing |
596 | Combined washer-dryer |
597 | With material conditioner dispenser |
598 | And heat retaining material |
599 | And material tumbling assisting means |
600 | And stationary trays in rotatable drum |
601 | And supporting, driving, sealing, or bearing means for drum |
602 | Specific drum structure |
603 | Specific housing structure |
604 | Including gas or vapor circulating means |
134 | Heat exchange and/or gas or vapor conducting conduits in drum or receptacle |
135 | Axial treated material feed type |
138 | Gas or vapor conducting conduits in drum or receptacle |
139 | With drum or receptacle enclosing housing |
140 | Vapor exhaust |
142 | Axial treated material feed type |
143 | Stationary press type |
144 | Plural press units |
145 | Gas or vapor circulation for contact with treated material |
146 | Nonplanar press couples |
147 | Spiral treated material path type |
611 | Sheet, web, or strand |
612 | Sheet elevator type |
614 | Sheet on edge |
618 | For flexible sheet, web, or strand |
619 | Including horizontal support |
620 | Including roller-type conveyor |
621 | Including means to suspend work |
623 | Running length |
624 | With contact heater |
625 | Winding reel |
627 | Plural webs or strands |
629 | With gas or vapor circulation for contact with treated material |
630 | Having solvent chamber |
631 | Having means to adjust relative distance between distributor and material |
632 | Having means to produce turbulence in gas or vapor |
633 | Having baffle redirect gas or vapor flow |
634 | Having sealing means |
635 | Including suction means |
636 | Including plural chambers or zones |
637 | Having drive roller |
638 | Including gas or vapor nozzle or distributor outlet |
639 | Having gas or vapor flow transverse to treated material movement |
640 | Fluid current support or guide |
641 | Having airfoil or Coanda nozzle |
642 | Having nozzles around circular manifold |
643 | Having nozzles on opposite sides of web |
645 | Suspended loops |
646 | Edge holding means |
647 | Zigzag runs of treated material |
648 | Including material tension adjusting means |
649 | Including gas or vapor recirculation |
650 | Including endless conveyors |
651 | Plural zones or chambers |
652 | Elongated thin gas or vapor stream |
657 | Zigzag runs of treated material |
658 | Endless conveyor or movable gripper |
664 | Movable treated material holder |
164 | Treated material vibrating type |
165 | Gravity flow type |
166 | Trough or tube, with axially rotary conveyor or agitator |
167 | Plural gravity path, plural feed, and/or discharge |
168 | With gas or vapor flow for contact with treated material |
169 | Recirculation of treating gas or vapor |
170 | Inverted imperforate ducts |
171 | Shelf-to-shelf or zigzag treated material flow |
174 | Foraminous distributors or walls |
175 | With venting means or wall |
176 | With treated material tubes |
177 | With heating tubes |
178 | Shelf-to-shelf or zigzag treated material flow |
179 | Stationary receptacle or tube with agitator or conveyor |
180 | Plural units |
181 | With gas or vapor flow for contact with treated material |
183 | Axial treated material feed type |
184 | Rotary or swinging carrier or rack |
185 | With agitating means or discharging scrapers |
186 | Plural rotary or swinging units |
187 | With gas or vapor circulation for contact with treated material |
189 | Elevator type |
191 | Reversible or pulsating treating gas or vapor flow |
192 | Removable shelf or tray type |
193 | Plural nonvertically aligned |
194 | With shelf or tray handling means |
195 | With gas or vapor circulation for contact with treated material |
200 | With liquid heater or vaporizer |
201 | Houses, kilns, and containers |
666 | Car dryer |
202 | Article inserted type |
203 | With conveyors providing plural or zigzag treated material paths |
204 | Separable truck or tray |
205 | Plural independent paths for treated material |
206 | Pusher type |
207 | Plural run endless conveyor |
208 | Single run endless, both courses carrying treated material |
209 | Plural treating units or compartments |
218 | With gas or vapor circulation for contact with treated material |
219 | Recirculation of treating gas or vapor |
220 | Caused by heater action only |
221 | Caused by jet action |
222 | Movable gas or vapor distributor |
223 | Plural gas or vapor forcing means |
224 | Plural gas or vapor inlets and/or outlets |
226 | Tortuous gas or vapor path |
227 | Gas or vapor flow toward or from treated material entrance or exit |
229 | Movable gas or vapor distributor |
230 | Plural gas or vapor forcing means |
231 | Deflecting baffle in treating chamber |
232 | Plural gas or vapor inlets and/or outlets |
234 | Caused by heater only |
235 | With venting means |
236 | Treated material handling or conveying |
237 | Trays or floors |
239 | Supports |
241 | Gas or vapor distributing and applying agitators |
242 | Chamber seals |
667 | Debris guard |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
DIG1 | ABSORBENTS AND ADSORBENTS |
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