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Class Information
Number: 137/192
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Discriminating outlet for liquid > With fluid responsive valve > Level responsive > Float
Description: Separating traps wherein the level responsive means is a float.










Sub-classes under this class:

Class Number Class Name Patents
137/195 Servo-control 31
137/193 With main line gas outlet from trap chamber 3
137/194 With outlet extending above liquid in trap 7
137/196 With pressure balanced outlet valve 7


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8631814 Flow control device Jan. 21, 2014
8522811 Auto flow steam trap Sep. 3, 2013
8347780 Beverage air management dispensing system Jan. 8, 2013
8302619 Float valve apparatus and its cleaning method Nov. 6, 2012
8230872 Steam trap Jul. 31, 2012
7926505 Transfer unit Apr. 19, 2011
7699238 Condensate drainage with maintenance interface Apr. 20, 2010
7571739 Condensate removal device Aug. 11, 2009
7412987 Expansion tank with valve Aug. 19, 2008
7314509 Gas liquid phase separator with improved pressure control Jan. 1, 2008
7171976 Steam trap with float Feb. 6, 2007
7096880 Float type steam trap Aug. 29, 2006
6857445 Float valve for pulsating flow Feb. 22, 2005
6823885 Liquid drains having liquid level adjusting mechanisms Nov. 30, 2004
6745580 Combination P-trap, shutoff switch and cleanout fitting Jun. 8, 2004
6736964 Apparatus for separating mixed fluids and measuring quantity of component fluids May. 18, 2004
6626201 Apparatus for preventing reverse flow in drainage Sep. 30, 2003
6564820 Gas flow stop device May. 20, 2003
6526921 Method for operating a closed hot-water installation and apparatus to be used therewith Mar. 4, 2003
6481455 Bubble trap for blood Nov. 19, 2002
6419662 Continuous irrigation Y-tubing control valve device and system Jul. 16, 2002
6336467 Float and valve assembly for accumulator Jan. 8, 2002
6302136 Steam valve Oct. 16, 2001
6287370 Drain discharge apparatus Sep. 11, 2001
6209567 Foam trap for beer or other gas propelled liquid dispensing systems Apr. 3, 2001
6192920 Chain link float valve Feb. 27, 2001
6186160 Device for drawing off gaseous and liquid media Feb. 13, 2001
6092547 Double funnel float valve Jul. 25, 2000
6082389 Beer foam reducing apparatus Jul. 4, 2000
6035882 Monitoring condensate traps Mar. 14, 2000
6017332 Medical dye delivery system Jan. 25, 2000
5868280 Bladderless precharged pressurized liquid delivery system Feb. 9, 1999
5746184 Fuel delivery system for diesel engines May. 5, 1998
5705056 Separator for separating a heavier liquid from a lighter liquid Jan. 6, 1998
5644925 Air conditioning system condensing trap Jul. 8, 1997
5564459 Fob detector Oct. 15, 1996
5520208 Resilient seal for a liquid-gas accumulator May. 28, 1996
5421360 Float assisted automatic driptrap Jun. 6, 1995
5398716 Structure of air compressor waste drain valve Mar. 21, 1995
5365970 Gravity flow chemigation system and low level shutoff valve Nov. 22, 1994
5348041 Separator valve Sep. 20, 1994
5305779 Method, system, and apparatus for operating large power generating stations with improved environmental protection measures Apr. 26, 1994
5287878 Free float steam trap Feb. 22, 1994
5285653 Refrigerant flow control device Feb. 15, 1994
5209257 Sewer relief valve May. 11, 1993
5201298 Combination sending unit and fuel draw automatic shutoff valve Apr. 13, 1993
5186203 Free float steam trap Feb. 16, 1993
5161564 Automatic separator valve Nov. 10, 1992
5148827 Air-oil full hydraulic reservoir tank Sep. 22, 1992
5115798 Condensate trap May. 26, 1992

1 2 3










 
 
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