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Class Information
Number: 137/505.36
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 > Reactor surface is diaphragm
Description: Devices in which the reactor surface is in the form of a flexible diaphragm.










Sub-classes under this class:

Class Number Class Name Patents
137/505.37 With valve closing bias 27


Patents under this class:

Patent Number Title Of Patent Date Issued
8640732 High pressure inlet regulator Feb. 4, 2014
8534315 Diaphragm assemblies for use with fluid control devices Sep. 17, 2013
8469052 Control valve Jun. 25, 2013
8459288 Pressure reducing valve and regulator for gas Jun. 11, 2013
8371329 Pilot device with remote pressure control for gas pressure regulators Feb. 12, 2013
8333216 Blow-off valve for turbo blower Dec. 18, 2012
8327871 Multi-valve cartridge pressure regulator Dec. 11, 2012
8302822 Pressure regulators for beverage dispensers Nov. 6, 2012
8267110 Gas pressure regulator and method for assembling and disassembling the regulator Sep. 18, 2012
8240328 Automatic fluid spill prevention and shut off safety valve Aug. 14, 2012
7240693 Pressure regulated solenoid valve having integral mounting structure Jul. 10, 2007
6629544 Gas pressure-reducing valve Oct. 7, 2003
6488046 Pressure reducer for compressed gases Dec. 3, 2002
6328054 Balanced fluid pressure regulator Dec. 11, 2001
5829477 Modular regulator Nov. 3, 1998
5402820 Stabilizer for pressure regulator Apr. 4, 1995
5348001 Oxygen breathing controls Sep. 20, 1994
5188141 Vacuum boost valve Feb. 23, 1993
5080266 Self-charging aerosol dispenser for liquids Jan. 14, 1992
4782850 Travel stop for diaphragm regulator valve Nov. 8, 1988
4754778 Velocity boost body with wrap-around pitot tube Jul. 5, 1988
4489751 Pressure reducing regulator for oxygen service Dec. 25, 1984
4043357 Filter fitting for heating installations Aug. 23, 1977











 
 
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