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Class Information
Number: 169/19
Name: Fire extinguishers > Automatic valves
Description: Valves for normally restraining flow through a fluid system and opening automatically to permit flow upon the occurrence of fire conditions. Usually an increase of temperature in the protected area is the ultimate condition which governs the operation of the valve.










Sub-classes under this class:

Class Number Class Name Patents
169/20 Pressure controlled 79


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657022 Fire suppression system Feb. 25, 2014
8528652 Fire extinguishing ball Sep. 10, 2013
8496067 Device and method for protecting an object against fire Jul. 30, 2013
8307906 Apparatus and method for automatic conversion of sprinkler system Nov. 13, 2012
8230939 Cookstove fire extinguishing system Jul. 31, 2012
8122968 Fire suppression system Feb. 28, 2012
8079567 Regulated valve assembly for fire extinguishing systems Dec. 20, 2011
8051915 Field convertible valve and sprinkler system Nov. 8, 2011
7909111 Outdoor fire prevention system and associated method Mar. 22, 2011
7857069 System valve activation methods for deluge-like wet pipe sprinkler system Dec. 28, 2010
7814983 Dry pipe valve for fire protection sprinkler system Oct. 19, 2010
7673695 Dry pipe/deluge valve for automatic sprinkler systems Mar. 9, 2010
7530402 Water column supervisory switch May. 12, 2009
7444893 Booster actuator Nov. 4, 2008
7416030 Adjustable time delay for fire suppression system Aug. 26, 2008
7398793 Rapidly opening pressure regulating valve, fire extinguishing apparatus using the same, high-pressure gas cylinder apparatus and apparatus for rapidly supplying fluid Jul. 15, 2008
7389824 Fire extinguishing system Jun. 24, 2008
7353882 Horizontal sidewall fire protection sprinklers Apr. 8, 2008
7353881 Ganged fire extinguisher system Apr. 8, 2008
7322423 Dry pipe valve for fire protection sprinkler system Jan. 29, 2008
7240740 Diaphragm valve with pivoting closure member Jul. 10, 2007
7237619 Automatic fire sprinkler having a variable orifice Jul. 3, 2007
7185711 Fire protection system Mar. 6, 2007
7104333 Dry pipe valve for fire protection sprinkler system Sep. 12, 2006
7055612 Fire protection system Jun. 6, 2006
7021166 Booster actuator Apr. 4, 2006
7017673 Sprinkling head for fire fighting systems Mar. 28, 2006
6976544 Sprinkler Dec. 20, 2005
6962208 Compact pendant sprinkler head Nov. 8, 2005
6955226 Ganged fire extinguisher system Oct. 18, 2005
6942040 Method, chemical and automatic fire extinguishing system using liquified CO.sub.2 to regulate the distribution of fire extinguishing agents Sep. 13, 2005
6889912 Method and apparatus for removing trapped water May. 10, 2005
6871802 Self-modulating inert gas fire suppression system Mar. 29, 2005
6848513 Fire protection valve trim assembly system Feb. 1, 2005
6810963 Dry pipe valve for fire protection sprinkler system Nov. 2, 2004
6722216 Booster actuator Apr. 20, 2004
6708772 Container valve with tripping device for stationary fire extinguishing plants Mar. 23, 2004
6637518 Fire extinguishing apparatus Oct. 28, 2003
6637519 System and method for extinguishing a fire Oct. 28, 2003
6564877 Automatic valve with manual override for fire engine high pressure water system May. 20, 2003
6557645 Dry pipe valve for fire protection sprinkler system May. 6, 2003
6554077 Quick response adjustable automatic sprinkler arrangements Apr. 29, 2003
6347669 Sprinkler Feb. 19, 2002
6345670 Spray head Feb. 12, 2002
6346203 Method for the suppression of fire Feb. 12, 2002
6341655 Emergency shutdown system Jan. 29, 2002
6336510 Sprinkler device for fire extinguishing systems Jan. 8, 2002
6318475 Flames and fumes stopping device for suction ducts Nov. 20, 2001
6279663 Nozzle and fire fighting installation Aug. 28, 2001
6244353 Fire extinguishing device Jun. 12, 2001

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