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Class Information
Number: 137/505.44
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 on yoke
Description: Devices in which the valve head is connected to the reactor surface by a yoke.

Sub-classes under this class:

Class Number Class Name Patents
137/505.45 Yoke has valve closing bias 3

Patents under this class:

Patent Number Title Of Patent Date Issued
8360098 Monodirectional intake pressure stabilization structure of pneumatic tool Jan. 29, 2013
8302822 Pressure regulators for beverage dispensers Nov. 6, 2012
8276612 System and method for hydraulically managing fluid pressure downstream from a main valve Oct. 2, 2012
7921866 First stage pressure regulator for a two-stage underwater breathing apparatus Apr. 12, 2011
6971403 Direct-acting pressure regulator Dec. 6, 2005
6668855 Direct-acting pressure regulator Dec. 30, 2003
6202682 Pressure regulator with selector control Mar. 20, 2001
4576195 Cartridge type control valve with inverted J-shaped inlet duct Mar. 18, 1986
4135697 Low pressure pilot valve Jan. 23, 1979
3990299 Combined water meter and pressure regulator Nov. 9, 1976

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