Class 392 :: ELECTRIC RESISTANCE HEATING DEVICES

Definition

Subclasses List

• 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 type
• 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 energy
• 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 heater
• 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