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Class Information
Number: 137/185
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Discriminating outlet for liquid > With fluid responsive valve > Gas collecting float (e.g., inverted bucket)
Description: Separating traps wherein the valve closes in response to the collection of gas in an open-bottom float.

Sub-classes under this class:

Class Number Class Name Patents
137/186 Downstream from valve 2

Patents under this class:

Patent Number Title Of Patent Date Issued
7931046 Steam trap with inverted bucket float Apr. 26, 2011
7644954 Mobile fluid storage and supply apparatus and method Jan. 12, 2010
7293802 Mobile fluid and storage apparatus Nov. 13, 2007
6644131 Steam trap instrument module Nov. 11, 2003
6302136 Steam valve Oct. 16, 2001
5992436 Monitoring steam traps using RF signaling Nov. 30, 1999
5947145 Combination steam trap and flow valve assembly Sep. 7, 1999
5065785 Steam trap with separate steam and condensate inlets Nov. 19, 1991
4945343 System and method for detection of malfunctioning steam traps Jul. 31, 1990
4630633 Steam trap checker Dec. 23, 1986
4508135 Combined inlet and outlet fitting Apr. 2, 1985
4458714 Flow regulating device Jul. 10, 1984
4408626 Valve seat assembly for a steam trap Oct. 11, 1983
4387733 Dual fulcrum steam trap Jun. 14, 1983
4311162 Inverted bucket steam trap Jan. 19, 1982
4300588 Steam trap with spherical inverted bucket float Nov. 17, 1981
4168029 Steam trap Sep. 18, 1979
4149557 Inverted bucket steam trap Apr. 17, 1979
4096876 Condensate controller Jun. 27, 1978
3933449 Means for separation and drainage of liquid from a point between successive stages of steam utilization Jan. 20, 1976

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