Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1988-05-26
1990-01-23
Pellinen, A. D.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219242, H05B 100
Patent
active
048960233
ABSTRACT:
A heater which has a heating chamber of vessel shape of liquidtight structure for containing an article to be heated and a heater provided at the center of the heating chamber for heating the article to be heated directly or indirectly through a solid heat medium or a heating liquid.
REFERENCES:
patent: 1464255 (1923-08-01), Zimmermann
patent: 1694725 (1928-12-01), Tabb
patent: 1809510 (1931-06-01), Churchill
patent: 2262506 (1941-11-01), Levandowski
patent: 2907861 (1959-10-01), Melton
patent: 3222499 (1965-12-01), Conlin et al.
patent: 4121091 (1978-10-01), Wareham
patent: 4504733 (1985-03-01), Walsh
Evans Geoffrey
Pellinen A. D.
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