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Class Information
Number: 137/457
Name: Fluid handling > Line condition change responsive valves > Safety cut-off requiring reset > Thermal
Description: Apparatus in which the valve is closed in response to a change in temperature in the line.










Patents under this class:

Patent Number Title Of Patent Date Issued
7984861 Hydrant apparatus and water discharging method Jul. 26, 2011
7971798 Resettable thermal pressure relief device Jul. 5, 2011
7611068 Temperature adjustment handle autorotation prevention device of automatic water mixing valve Nov. 3, 2009
7219687 Resettable bi-stable thermal valve May. 22, 2007
7178548 Dry safety device for an inflammable gas Feb. 20, 2007
7000850 Anti-scald water valve assembly Feb. 21, 2006
6819969 Chemical vapor deposition process and apparatus for performing the same Nov. 16, 2004
6550495 Safety device for cutting off gas pipelines Apr. 22, 2003
6439260 Easy to use residential water supply system for preventing winter flood damage Aug. 27, 2002
6345641 Fluid-activatable device for shut-off under excess flow conditions Feb. 12, 2002
6202667 Apparatus and method for stopping the propagation of ignited flammable gas in a conduit Mar. 20, 2001
6155289 Method of and system for sub-atmospheric gas delivery with backflow control Dec. 5, 2000
6125872 Temperature activated diversion valve Oct. 3, 2000
5836338 Thermal safety device for automatically sealing conduits Nov. 17, 1998
5577532 Valve actuator Nov. 26, 1996
5560541 Anti-scald valve for bathroom showers Oct. 1, 1996
5477877 Overtemperature shut-off valve with sealing spring for automatically shutting off conduits Dec. 26, 1995
5398794 Overheating protection device for rotational control apparatus Mar. 21, 1995
5201336 Fire safe valve Apr. 13, 1993
4822570 Thermal sensing apparatus in outlet nozzle Apr. 18, 1989
4775101 Safety valve Oct. 4, 1988
4650154 Blanking cover for pipe Mar. 17, 1987
4562853 Downhole fire control Jan. 7, 1986
4549717 Heat responsive valve Oct. 29, 1985
4480784 Hot water cutoff safety valve for showers Nov. 6, 1984
4313794 Self-actuating and locking control for nuclear reactor Feb. 2, 1982
4143812 Thermosensitive safety valve Mar. 13, 1979
RE29155 On-off sprinkler Mar. 22, 1977











 
 
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