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Class Number: 392 Class Title: ELECTRIC RESISTANCE HEATING DEVICES Subclass Subclass Number Title * HEATING DEVICES (CLASS 219 SUBCLASS 200) 301 .Borehole type 302 ..With heat exchange fluid 303 ..With vapor generator 304 ..Heating element surrounding delivery pipe 305 ..Suspended by cable in well 306 ..Plural separate heating devices 307 .Combined with nonelectric heating means (e.g., gas, etc.) 308 ..For heating liquid 309 ..Hot plate 310 ..Oven type 311 .Fluid-in-circuit type heater 312 ..Method 313 ..Portable 314 ..Continuous flow of fluid being heated 315 ...With means to adjust current path between electrodes 316 ....Responsive to condition of fluid 317 ....Movable dielectric means 318 ...Current control means 319 ...With discharge member for line or tank 320 ...Tube or pipe forms flow path 321 ....Pipe forms at least one electrode 322 ..With reservoir or tank 323 ...With means to adjust current path between electrodes 324 ..Steam or vapor generator 325 ...Line connected boiler 326 ....Control of electrode immersion level 327 .....By electrode current 328 .....By pressure 329 ....With means to adjust current path between elctrodes 330 .....Movable dielectric means 331 ....Electrode arrangement 332 .....Water jet electrode 333 ...Manually filled tank or container 334 ....With means to adjust current path between electrodes 335 ....With supply interlock means 336 ....Separate electrode compartment 337 .....Electrode compartment removable from tank 338 ..Electrode details 339 .With heat storage means 340 ..Method 341 ..For fluid heating (e.g., gas or liquid, etc.) 342 ..For vaporization 343 ..For subsequent heating by radiation 344 ..For subsequent heating by convection 345 ..Means to control heating accumulating medium 346 ..Heat accumulating medium details 347 .Convection space heater 348 ..Artificial fire 349 ..Central heating type 350 ...With air delivery duct 351 ..Floor furnace typee 352 ..Baseboard type 353 ...With baffle 354 ..With intermediate heat absorber 355 ...Heated by radiant source 356 ....With fan blower 357 ...With fluid heat absorber 358 ....By fan blower 359 ....Wall mounted 360 ..Forced air type 361 ...Heating attachment for fan 362 ...Fan with heated blades 363 ...Wall mounted 364 ...Ceiling mounted 365 ...Portable 366 ....With fan position adjusting means 367 ....Multi-direction air outlet 368 ....With baffle 369 .....Counterflow 370 ..Wall mounted 371 ...In wall cavity 372 ..Mounted in or on window or door 373 ..Portable 374 ...With baffle 375 ..Combined with radiation 376 ...With reflector 377 ...With heat exchange fluid 378 ....In plural sections 379 .Concentrated heated air stream (i.e., blast) 380 ..For drying body part 381 ...Wall mounted 382 ..With support 383 ..Portable 384 ...With handle 385 ....Pistol-grip type 386 .Vaporizer 387 ..Method 388 ..For metal vapor deposition 389 ...With crucible 390 ..With disposable evaporant cartridge or container 391 ..By radiant heat source 392 ..Wall mounted 393 ..By light bulb heat source 394 ..Liquid evaporant (e.g., water, etc.) 395 ...With wick 396 ...In continuous flow line connected heater 397 ....Pipe or tube forms flow path 398 .....With internal heating element 399 ...Flash chamber 400 ...In-line connected closed tank (i.e., pressurized) 401 ....With internal heating element 402 ...In-line connected open tank or container (i.e., nonpressurized) 403 ...Container with self-contained evaporant supply 404 ....Hand-held 405 ....With separate heating chamber 406 .....Removable 407 .Radiant heater 408 ..With filter or diffuser for radiant energyy 409 ..Hand-held 410 ...With air or gas circulation 411 ..Lamp banks (i.e., array of plural lamps) 412 ...Adjustable lamps position 413 ....Adjustable individual lamp position 414 ...Lamp banks form arch 415 ...Lamp banks movable relative to stationary work during use 416 ..With chamber 417 ..For heating moving strand, web or sheet 418 ..With support for workpiece 419 ..Focussed radiant beam 420 ...Plural reflectors 421 ...Elliptical or ellipsoidal reflector 422 ..With reflector 423 ...Elongated reflector 424 ....Heating element in transparent tubular envelope 425 ....With exposed radiant heating element 426 ...Bowl-shaped reflector 427 ....Annular heating element concentric with reflector axis 428 ....Linear heating element aligned with reflector axis 429 .....Coiled on core 430 ...Wall mounted 431 ...Collapsible or foldable reflector 432 ..Radiant extended surface type heater 433 ...With exposed radiant heating element 434 ....On ceramic support structure 435 ...With heat radiating panel 436 ....Wall or ceiling mounted 437 .....Plural panels 438 ....Heating element formed as coating on radiating panel surface 439 .....Nonmetallic panel 440 ..Multi-direction radiant heat output 441 .Tank or container type liquid heater 442 ..Pour-in displacement discharge type tank 443 ..Flexible container (e.g., water bottle, etc.) 444 ..Portable container or tank 445 ...Plural compartments 446 ...With agitator 447 ...With internally positioned heating element 448 ....Removably inserted through fill opening 449 ..Line connected tank 450 ...Plural serially connected compartments 451 ...With immersion heating element 452 ....With baffle or guard 453 ....Removably insertable into tubular receptacle in tank 454 ....Plural heating zones 455 ....With heating element mounting arrangements 456 ....With heat exchange fluid 457 ....With protecting means against galvanic corrosion 458 ...With external heater 459 ....Clamped or secured to tank wall 460 ....Producing radiation 461 ....With externally mounted circulation-type heater 462 .....Laterally disposed (i.e., side-arm type) 463 ...With timer controlled energization 464 ....Off-peak power 465 .Continuous flow type fluid heaterr 466 ..Method 467 ..With hot plate 468 ..Pipeline tracing 469 ...Skin effect heater type (e.g., S.E.C.T., etc.) 470 ..Disposable cartridge, tube or bag forms heated flow path (e.g., blood bag, etc.) 471 ..Combined liquid flow heater and pump unit 472 ..Flexibe (e.g., hose, etc.) 473 ..Fluid heater carried on discharge member 474 ...With flow control valve (e.g., faucet, etc.) 475 ....Valve turns heating element on and off 476 ...Hand-held discharge member 477 ....With storage container for fluid to be heated 478 ..Fluid conveying tube or pipe comprising resistive heating element 479 ..Externally heated line connected section 480 ...Pipe or tube forms flow path 481 ....Coiled 482 ...Plural pipes or tubes form flow path 483 ...Heating element producing radiation 484 ...Block forms flow path 485 ..Heated line section with heating element internal of flow path 486 ...Plural pipes or tubes form flow path 487 ...With jacket for heating element 488 ...Pipe or tube forms flow path 489 ....With jacket for heating element 490 ...Plural heated line sections (e.g., series or parallel, etc.) 491 ...With baffle-defined flow path 492 ....Producing counterflow circulation 493 .....Heating element integral with baffle 494 ...Block forms flow path 495 ..Plural different fluids simultaneously heated 496 ..With heat exchange fluid 497 .Immersion heater details 498 ..With thermostatic control means 499 ..Buoyant in liquid 500 ..With plural heating elements 501 ..With particular mounting means 502 ..Having positive temperature coefficient 503 ..Particular sheath or jacket composition