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Class Information
Number: 137/210
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With gas maintenance or application > Gas carried by or evolved from liquid
Description: Apparatus in which the gas is derived from a liquid not necessarily the liquid over which the gas acts.










Sub-classes under this class:

Class Number Class Name Patents
137/211 Gas injectors 10


Patents under this class:

Patent Number Title Of Patent Date Issued
8403000 Assembly and system for tank filling, withdrawal and pressure management of a cryogenic liquid Mar. 26, 2013
8336734 Liquid dispensing systems encompassing gas removal Dec. 25, 2012
8307815 Crankcase ventilation filter assembly Nov. 13, 2012
7897195 Devices for coating stents Mar. 1, 2011
7779856 Fuel cartridge of a fuel cell with fuel stored outside fuel liner Aug. 24, 2010
7387502 Method and apparatus for elimination of gases in pump feed/injection equipment Jun. 17, 2008
7364609 Method and kit for use with standard pipe couplings to construct a de-aerator Apr. 29, 2008
7258140 Portable pressurized gas supply apparatus for pneumatic equipment Aug. 21, 2007
7069942 Method and apparatus for handling of covering gas Jul. 4, 2006
7028488 Method and apparatus to minimize fractionation of fluid blend during transfer Apr. 18, 2006
6893485 Method and kit for use with standard pipe couplings to construct a de-aerator May. 17, 2005
6615861 Liquid cylinder manifold system Sep. 9, 2003
6530094 Dispenser and method and valve Mar. 11, 2003
6481456 Liquid treatment apparatus and float valve therefor Nov. 19, 2002
6474356 Device for controlling a liquid flow Nov. 5, 2002
6119735 Filling of tanks with volatile liquids Sep. 19, 2000
6076541 Dispensing system and method for dispensing an aqueous solution Jun. 20, 2000
6019114 Self-metering reservoir Feb. 1, 2000
6003542 Automatic shutoff valve Dec. 21, 1999
5893385 Liquid discharging device for discharging liquid stored on a bottom wall of an interior of a compressed natural gas tank of a vehicle Apr. 13, 1999
5771596 Container for liquids including a level control and a gyro compass Jun. 30, 1998
5558139 Liquid oxygen system Sep. 24, 1996
5462078 Apparatus for eliminating hazardous materials from cargo tank wet line Oct. 31, 1995
5415196 Tank vapor pressure control system May. 16, 1995
5402547 Ballast broom Apr. 4, 1995
5377715 Method for eliminating hazardous materials from cargo tank wet lines Jan. 3, 1995
5315831 Liquid natural gas and compressed natural gas total fueling system May. 31, 1994
5247959 Multi-function valve Sep. 28, 1993
5165246 Transport trailer for ultra-high-purity cryogenic liquids Nov. 24, 1992
5026527 Structure for forming a reaction product Jun. 25, 1991
4956975 Shutoff valve for cryogenic liquid storage tank Sep. 18, 1990
4909038 Control system for dispensing a cryogenic fluid Mar. 20, 1990
4905719 Flurocarbon pumping system Mar. 6, 1990
4680937 Automatic fuel tank anti B.L.E.V.E. safety apparatus and system Jul. 21, 1987
4625753 Container for receiving, storing, and dispensing cryogenic fluids Dec. 2, 1986
4611623 Liquid level indicator and valve Sep. 16, 1986
4510964 Valve for pressurized cylinders for liquified gas Apr. 16, 1985
4474189 Apparatus incorporating a splashed-liquid, normally-closed check valve Oct. 2, 1984
4423750 Liquefied gas overcharge prevention device Jan. 3, 1984
4310491 Apparatus for supplying raw liquid and relieving pressure of high-pressure product liquid Jan. 12, 1982
4304528 Passive solar powered plant watering system Dec. 8, 1981
T976001 Liquid cryogen transfer system Nov. 7, 1978
RE28856 Low-loss closed-loop supply system for transferring liquified gas from a large container to a small container Jun. 15, 1976
3958945 Sparging device May. 25, 1976
3932138 Liquid decomposing system Jan. 13, 1976











 
 
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