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Class Information
Number: 236/90
Name: Automatic temperature and humidity regulation > Motors > Thermal release
Description: Devices wherein the motor is a spring or weight motor which is released by the thermostat responsive to the temperature to be controlled.

Patents under this class:

Patent Number Title Of Patent Date Issued
7703640 Heat actuated puncturing mechanism for a compressed gas cartridge Apr. 27, 2010
6988672 Valves Jan. 24, 2006
4605162 Emergency ventilator opener for livestock houses Aug. 12, 1986
4479483 Safety stovepipe damper assembly Oct. 30, 1984
4438777 Freeze protection valve with improved resetting capability Mar. 27, 1984
4025041 Safety valve May. 24, 1977

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