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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6637519 |
System and method for extinguishing a fire |
Oct. 28, 2003 |
| 6637518 |
Fire extinguishing apparatus |
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 |
| 6230815 |
Sprinkler or spray head |
May. 15, 2001 |
| 6158476 |
Tune or hose capable of withstanding extreme heat flux densities |
Dec. 12, 2000 |
| 6152236 |
Combined trigger and concealing device for a sprinkler head |
Nov. 28, 2000 |
| 6131667 |
Manual and automatic fire extinguishing systems |
Oct. 17, 2000 |
| 5990789 |
System and method for preventing smoke and fire damage to people and equipment in a clean room area from a fire |
Nov. 23, 1999 |
| 5908074 |
Fire detecting valve activation assembly for vehicle fire suppression systems |
Jun. 1, 1999 |
| 5720351 |
Fire protection preaction and deluge control arrangements |
Feb. 24, 1998 |
| 5531275 |
Installation for fighting fire |
Jul. 2, 1996 |
| 5485884 |
Hydride operated reversible temperature responsive actuator and device |
Jan. 23, 1996 |
| 5439028 |
Modular valve for a building standpipe |
Aug. 8, 1995 |
| 5295503 |
Modular valve for a building standpipe |
Mar. 22, 1994 |
| 5183116 |
Variable pressure regulator for extended fire-extinguishing system |
Feb. 2, 1993 |
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