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Class Information
Number: 137/247.33
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > Downward partition encircles projecting outlet
Description: Seals in which the U-shaped passage is formed by a chamber having a downwardly extending partition comprising an inverted cup and a distinct outlet pipe which projects up into the cup.










Patents under this class:

Patent Number Title Of Patent Date Issued
7428909 Fixtures for trapping condensation Sep. 30, 2008
6192915 Sewerage inlet Feb. 27, 2001
5297367 Removable storm drainage cartridge Mar. 29, 1994
4922948 Floor drain and trap May. 8, 1990
4773441 Liquid seal vent Sep. 27, 1988
4624279 Tube separator with protection against contamination Nov. 25, 1986
4243065 Apparatus for removing gas from a liquid Jan. 6, 1981
4045346 Basement sewer trap Aug. 30, 1977
4043354 Drain trap and cover construction Aug. 23, 1977











 
 
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