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Class Information
Number: 137/505.29
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > Reactor surface separated by apertured partition > Valve stem passes through the aperture
Description: Devices in which the valve stem passes through the communicating aperture.










Sub-classes under this class:

Class Number Class Name Patents
137/505.3 Plural reactor surfaces 5
137/505.31 Reactor is an inverted cup having liquid seal 0
137/505.34 Valve head in inlet chamber 8


Patents under this class:

Patent Number Title Of Patent Date Issued
8679694 Fluidic control system and method of manufacture Mar. 25, 2014
8640732 High pressure inlet regulator Feb. 4, 2014
8342201 Pressure reducing valve Jan. 1, 2013
8087428 High pressure inlet regulator Jan. 3, 2012
7137404 Direct acting pressure reducing valve Nov. 21, 2006
7007713 Pressure control apparatus Mar. 7, 2006
6564826 Flow regulator for water pump May. 20, 2003
6405722 Single stage regulator and method for regulating compressed air therefor Jun. 18, 2002
6062245 Gaseous fuel burner manifold with integral pressure regulator assembly May. 16, 2000
5950671 Over-pressure protection of a fluid sensor Sep. 14, 1999
4903726 Medical vacuum regulating cartridge Feb. 27, 1990
4516595 Gas pressure reducing regulator and adapter May. 14, 1985
4276902 Modular fluid pressure regulator valves Jul. 7, 1981











 
 
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