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Class Information
Number: 137/203
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > With liquid emptying means
Description: Separating traps wherein the provision for removal of a fluid from the system is a nondiscriminating liquid outlet.










Sub-classes under this class:

Class Number Class Name Patents
137/204 Self-emptying 63


Patents under this class:

Patent Number Title Of Patent Date Issued
8387649 Tank condensation drain Mar. 5, 2013
8225811 Apparatus for the removal of moisture from a compressed air tank Jul. 24, 2012
8122903 Close-coupled purgeable vaporizer valve Feb. 28, 2012
7568494 Electronic fuel tank fill limit control Aug. 4, 2009
7314509 Gas liquid phase separator with improved pressure control Jan. 1, 2008
6810901 Air compressor with foot-actuated condensate valve Nov. 2, 2004
6694999 Systems for well gas collection and processing Feb. 24, 2004
6431194 Condensate removal protection apparatus and method therefore Aug. 13, 2002
6257210 Compressed natural gas (CNG) fueling system for CNG vehicles Jul. 10, 2001
6119711 Multiple well header system for collection of methane coal gas Sep. 19, 2000
6109289 Drain valve Aug. 29, 2000
5935427 System for draining a liquid storage tank Aug. 10, 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
5606989 Self-venting valve arrangement Mar. 4, 1997
5391361 Condensate separator Feb. 21, 1995
5285809 Drain discharge device Feb. 15, 1994
5205315 Automatic wet tank drain valve Apr. 27, 1993
5205314 Air compressor condensate removal system Apr. 27, 1993
5154204 Automatic drain valve for a compressed air system Oct. 13, 1992
4896692 Pilot operated control valve Jan. 30, 1990
4881567 Liquid removal system Nov. 21, 1989
4877218 Drain valve device Oct. 31, 1989
4855041 Fluid filter drain assembly Aug. 8, 1989
4838299 Pulsation dampener apparatus Jun. 13, 1989
4733686 Apparatus for removing water vapor from compressed air Mar. 29, 1988
4724862 Drain valve Feb. 16, 1988
4637440 Ventless liquid recovery system for pressurized gas lines Jan. 20, 1987
4595030 Fuel tank for a water craft Jun. 17, 1986
4592381 Multiple stage device for condensate removal from a steam piping system Jun. 3, 1986
4473092 Automatic drain system for compressed air systems and the like Sep. 25, 1984
4409005 Method and apparatus for separating liquid and solid contaminants from a flowing gas Oct. 11, 1983
4353387 Drainage device Oct. 12, 1982
4234008 Fluid choke Nov. 18, 1980
4079744 Drain valve Mar. 21, 1978
4030517 Condensate valve assembly Jun. 21, 1977
4018579 Apparatus for producing dry compressed air Apr. 19, 1977











 
 
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