| Class 34 | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
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![[List of Pre Grant Publications for class 34 subclass 245]](../as.gif) | ![[List of Patents for class 34 subclass 245]](../ps.gif) | 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 |
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