U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."

U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 169/8 - Pressure controlled


Subclass of Class 169 - Fire extinguishers
Definition: Systems, wherein the operation occurs automatically in direct
No. of patents: 9
Last issue date: 09/20/2011


NumberTitleIssue Date
8020628Fire extinguishing device
A fire extinguishing device comprises an extinguishing agent tank and pressurised gas generation means such that the generated gas can enter into the tank when the extinguishing agent is to be ejected on a fire area. The device according to the invention also...
09/20/2011
7237619Automatic fire sprinkler having a variable orifice
An automatic fire sprinkler having a variable orifice, the sprinkler having a variable orifice associated with the automatic fire sprinkler, and wherein the orifice is responsive to the water inlet pressure of the sprinkler. ...
07/03/2007
7134507Method and apparatus for detecting a sprinkler actuation event
A method of detecting the actuation of a sprinkler involves sensing a first fluid pressure at a first flow cross section, in one of the sprinkler and a conduit in which the sprinkler is mounted, sensing a second fluid pressure at a second flow cross section, in the ...
11/14/2006
7104334Deployable automatic foaming fire protection system
A deployable automatic foam fire suppressant system comprising a pump module having at least one pump coupled to a foam material source, the at least one pump comprising a pump suction component for the supply of water, and a supply module configured for coupling to...
09/12/2006
7066274Fire-suppression system for an aircraft
A fire-suppression system for use in an aircraft having at least one cargo compartment is disclosed. Methods of suppressing a fire in the cargo compartment are also disclosed. The fire-suppression system, under one aspect of the present invention, can include at lea...
06/27/2006
6942040Method, chemical and automatic fire extinguishing system using liquified CO to regulate the distribution of fire extinguishing agents
The automatic fire extinguishing method using liquefied CO2 to regulate the distribution of fire extinguishing agents characterised in that this method uses liquid CO2 as: an independent fire extinguishing agent or combined with other fire exti...
09/13/2005
6581694Method and system for controlling the supply of nitrogen to electrical power handling equipment
A system that controls nitrogen pressure in the ullage of a power transformer that has its windings submerged in oil. The pressure is controlled in a narrow range of approximately 0.5 psi to approximately 2.0 psi. A nitrogen generator supplies the nitroge...
06/24/2003
5069291Method and apparatus for suppressing explosions and fires and preventing reignition thereof
Apparatus for suppressing explosions comprises a reservoir containing hot pressurized water which is heated by a heater. On explosion conditions occurring in an enclosure a high speed differential pressure diaphragm is fractured to release a charge of hot...
12/03/1991
4986366Method and apparatus for suppressing explosions and fires
Apparatus for suppressing explosions comprises a reservoir means containing hot pressurized water which is heated by a heating means. On explosion conditions occurring in an enclosure a high speed differential pressure diaphragm is fractured to release a ...
01/22/1991
 
Sign InRegister
Username  
Password   
forgot password?