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U.S. patents subclasses for class: Electric Heating


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Title
Absorption
Adjustable
Adjustable means
Adjustable relative to vessel or stand
Allowing heating unit movement
Alloying
Anvil electrode
Apparel
Arc ignition
Arc positioning
Arc weld
Automatic
Automatic regulating or control means
Automatically operated
Automatically responsive to condition of heating area
Beam energy control
Beam position control
Bed covering (e.g., blanket)
Bending or twisting
Beverage (e.g., coffee, etc.)
Bimetallic or other flexible means
Body-supported (e.g., human body)
Bonding
Bonding (e.g., nonmetallic, etc.)
Bracket having a hub and three or more angularly spaced horizontal projections (e.g., a spider, etc.)
Brazing (e.g., cladding, etc.)
Brazing or soldering
Brazzing or soldering
Butt
Butt bonding (e.g., welding)
By arc
By arc voltage
By convection
By electric arc
By fluent material (e.g., steaming, boiling, or frying, etc.)
By force balancing
By infrared
By interposed button
By load support movement
By localized projection
By microbonding
By resistance heating
By rod or wire in a tube (e.g., thermo-cutoff probe, etc.)
By solid-state bonding (e.g., diffusion)
By spark discharge
By spot bonding
By tube (i.e., pipe)
By ultrasonic or acoustic
By use of a bridging member (e.g., splice plate)
By using probe means

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