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Class Information
Number: 236/64
Name: Automatic temperature and humidity regulation > Air-relief valves > Radiator type > Thermostatic > Expanding fluid
Description: Air relief-valves controlled by a thermostat only, the thermostat being of the expanding-fluid type.

Sub-classes under this class:

Class Number Class Name Patents
236/65 Float-operated 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7640757 Air conditioner having an enhanced user perception Jan. 5, 2010
4669655 Vent control unit for a radiator in a one pipe type steam heating system Jun. 2, 1987
4505427 Condensate drain valves Mar. 19, 1985
4300719 Steam traps Nov. 17, 1981
3963177 Thermostatic control valve for a one-pipe steam system Jun. 15, 1976
3937275 System for thermal exchangers Feb. 10, 1976

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