Heating assembly and method of production thereof
United States Patent 2875312
US Patent References:
Electric heater
- - 1359400

Electrical heating element of the strip type
- - 1614938

/1731120.html
- - 1731120

Electric heater
- - 1869140

Electrical heating unit
- - 1911063


Inventors:
Norton, William H.
Publication Date:
02/24/1959
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Assignee:
THERMEL INC
Primary Class:
219/535
Other Classes:
29/611, 219/536, 338/316, 29/521, 29/513, 219/544, 29/517, 392/484, 219/551, 392/480, 338/252, 29/509, 219/546
International Classes:
H05B3/48; H05B3/42
US Patent References:
2499961Electric heating unit
2677122Control circuit
2701410Method of producing electric heating elements
2722591Domestic appliance
2747070Electric heating element
2777043Electric heater
2786125Electric heaters
2802086Sealing device for heat sealing machines of the thermal impulse type
Foreign References:
GB720939A