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Class Information
Number: 219/518
Name: Electric heating > Heating devices > With current connection and/or disconnection means (e.g., switch) > Automatically operated > Responsive to weight, position, or presence of body to be heated
Description: Subject matter wherein the particular current connection or disconnection means includes switch means operative by the weight of or the placing, in a certain location, of a body to be heated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4334135 |
Utensil location sensor for induction surface units |
Jun. 8, 1982 |
| 4334145 |
Energized range burner signal |
Jun. 8, 1982 |
| 4322593 |
Apparatus for pre-heating resin tablet |
Mar. 30, 1982 |
| 4319109 |
Centered utensil sensor for induction surface units |
Mar. 9, 1982 |
| 4300037 |
Electronic control system for a radiant furnace |
Nov. 10, 1981 |
| 4285391 |
Electrical system for food service devices |
Aug. 25, 1981 |
| 4278870 |
Dental mirror warmer |
Jul. 14, 1981 |
| 4272671 |
Temperature control system for electric surface heater |
Jun. 9, 1981 |
| 4262191 |
Digital electronic steam humidifier control |
Apr. 14, 1981 |
| 4243875 |
Temperature control for resistance heating element |
Jan. 6, 1981 |
| 4241290 |
Clinical mirror heating device |
Dec. 23, 1980 |
| 4214150 |
Electric heating elements |
Jul. 22, 1980 |
| 4165456 |
Device for heating to consumption temperature a liquid commestible product sealed in a disposable container |
Aug. 21, 1979 |
| 4164645 |
Device for heating liquids contained in sealed plastics containers |
Aug. 14, 1979 |
| 4164644 |
Portable electrical heating unit with automatic cutoff |
Aug. 14, 1979 |
| 4156456 |
Apparatus for the storage and for the preparing of foods, especially meals, to be served |
May. 29, 1979 |
| 4119834 |
Electrical radiant heat food warmer and organizer |
Oct. 10, 1978 |
| 4106465 |
OFF-ON-START switching system for diesel engines, and particularly automotive-type diesel engines |
Aug. 15, 1978 |
| 4101756 |
Electrically heated curling iron and stand therefor |
Jul. 18, 1978 |
| 4034200 |
Article of furniture |
Jul. 5, 1977 |
| 3981231 |
Beverage-making apparatus |
Sep. 21, 1976 |
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