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Class Information
Number: 137/505.39
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > Reactor surface closes chamber > Valve head in inlet chamber
Description: Devices in which the valve head is in the inlet chamber and has a stem, or connector, passing through the valve part and connected with and usually attached to, the reactor surface.










Sub-classes under this class:

Class Number Class Name Patents
137/505.4 Reactor surface is inverted cup (float) 1
137/505.41 Rectilinear valve stem rigid with reactor surface 93
137/505.42 With valve closing bias 138


Patents under this class:

Patent Number Title Of Patent Date Issued
8459297 Balanced valve cartridge Jun. 11, 2013
7370661 Permeable gas assembly for gas delivery May. 13, 2008
7082963 Gas pressure reduction valve Aug. 1, 2006
6935354 Permeable gas assembly for gas delivery Aug. 30, 2005
6901952 Gas flow regulation system Jun. 7, 2005
6523565 Pressure regulator Feb. 25, 2003
6363959 Fluid pressure regulator with differential pressure setting control Apr. 2, 2002
6042368 Appliance for burning a combustible gas, and method of burning such a gas Mar. 28, 2000
5531712 Surgical suction regulator valve Jul. 2, 1996
5230359 Supply pressure compensated fluid pressure regulator and method Jul. 27, 1993
5211205 Fuel pressure regulator May. 18, 1993
5033505 Pressure regulator and method of assembling same Jul. 23, 1991
4836242 Pressure reducer for pure gases Jun. 6, 1989
4754777 Valve for the addition of water to electrochemical accumulator batteries Jul. 5, 1988
4749005 Combined gas pressure regulator and shut off valve Jun. 7, 1988
4719940 Adjustable tied-diaphragm gas pressure regulator Jan. 19, 1988
4679582 Gas pressure reducing regulator Jul. 14, 1987
4660597 Fuel pressure regulator Apr. 28, 1987
4431117 Propellant storage construction, parts therefor and methods of making the same Feb. 14, 1984
4413649 Air pressure regulator Nov. 8, 1983
4368852 Combination spray gun and pressure regulator Jan. 18, 1983
4324269 Pressure regulator Apr. 13, 1982
4265270 Remote-controlled pressure regulator May. 5, 1981
4256138 Pre-set fluid pressure regulator Mar. 17, 1981
3978880 Regulator valve diaphragm and valve assembly including the same Sep. 7, 1976











 
 
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