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Class Information
Number: 137/188
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Discriminating outlet for liquid > With fluid responsive valve > Level responsive > Weight or pressure
Description: Separating traps wherein the valve is responsive to the weight or pressure of accumulated liquid.

Sub-classes under this class:

Class Number Class Name Patents
137/189 Gravitating vessel 2

Patents under this class:

Patent Number Title Of Patent Date Issued
7890220 Low overhead closed loop control system Feb. 15, 2011
6595234 Auto-drain unit Jul. 22, 2003
5531241 Condensate trap and drain for systems under pressure Jul. 2, 1996
5524665 Level control system for gas-liquid separators Jun. 11, 1996
5259871 Deaeration device for oil-fired equipment Nov. 9, 1993
RE32695 Method and apparatus for treating fluent materials Jun. 14, 1988
4467826 Device for preventing the co-measuring of gaseous admixtures in the dispensing of liquids Aug. 28, 1984
4419301 Method and apparatus for treating fluent materials Dec. 6, 1983
4186740 Method and apparatus for regulating intravenous flow of a liquid Feb. 5, 1980
3968812 Apparatus for removal of condensed moisture from respiratory tubes Jul. 13, 1976

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