Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1976-12-16
1978-02-07
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219331, 219335, 219534, 219544, 338229, 338302, H05B 380, H01C 102
Patent
active
040728471
ABSTRACT:
An electrical heater comprises a sealed glass tube containing a sealed tubular structure formed by, (a) a metal tube containing an electrical heating element insulated from the metal tube, and (b) a plastics tube sealed to one end of the metal tube and containing a thermostat for the heating element.
REFERENCES:
patent: 2766367 (1956-10-01), Chaustowich
patent: 3107290 (1963-10-01), Willinger
patent: 3329803 (1967-07-01), Sink
patent: 3340382 (1967-09-01), Lennox
patent: 3371192 (1968-02-01), Rosenel
patent: 3619565 (1971-11-01), D'Elia et al.
patent: 3731058 (1973-05-01), Bleiweiss
patent: 3895217 (1975-07-01), Hall et al.
Liquifry Company Limited
Mayewsky Volodymyr Y.
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