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Class Information
Number: 137/505.47
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > With mechanical movement between actuator and valve
Description: Devices wherein a mechanical movement is interposed between the actuator and the valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
8464999 Service regulator vent Jun. 18, 2013
8336574 Pressure averaging sense tube for gas regulator Dec. 25, 2012
8286660 Valve body with dual sense mechanism Oct. 16, 2012
8281803 Balanced port housing with integrated flow conditioning Oct. 9, 2012
8256446 Modular regulator platform Sep. 4, 2012
8210201 Regulator valve with locking system Jul. 3, 2012
8156958 Service regulator with improved boost performance Apr. 17, 2012
8151822 Integral overpressure monitoring device Apr. 10, 2012
7370667 Flow through pressure regulator with pinch valve May. 13, 2008
7353834 Variable rate pressure regulator Apr. 8, 2008
7168444 Flow through pressure regulator with pinch valve Jan. 30, 2007
6382598 Fuel flow control device for diaphragm-type carburetor May. 7, 2002
5988212 Connecting unit having a gas pressure regulating apparatus mounted between a gas cylinder and a gas burner apparatus Nov. 23, 1999
5931188 Diaphragm operated regulator valve for maintaining low gas pressure Aug. 3, 1999
5697398 Fluid pressure regulator with boost tube unit including stem guide and lever retainer Dec. 16, 1997
5509449 Control of fluids Apr. 23, 1996
5423344 Gas blanketed liquid storage system, gas pressure regulation device, counterspring regulator and process for gas blanketing a liquid storage vessel Jun. 13, 1995
5062449 Vibration dampener for direct acting pressure regulator Nov. 5, 1991
5009245 Pressure regulator Apr. 23, 1991
4972868 Flow restrictor and diverter for direct acting pressure regulator Nov. 27, 1990
4836247 Regulator means for automatically shutting the gas pipeline passage off during pressure reducing failure Jun. 6, 1989
4787416 Regulator means for automatically shutting pipeline passage off during pressure reducing failure Nov. 29, 1988
4665945 Pressure regulator for a fuel gas May. 19, 1987
4630641 Pressure-reducing apparatus Dec. 23, 1986
4608976 Breathing protective apparatus with inhalation and exhalation regulator Sep. 2, 1986
4491149 Pressure regulator with over-pressure safety shut-off feature Jan. 1, 1985
4344456 Pressure responsive liquid flow regulator Aug. 17, 1982
4297998 Pilot controlled regulator second stage Nov. 3, 1981
4270563 Pressure actuated safety device Jun. 2, 1981
4224938 Balanced second stage for a two stage demand regulator Sep. 30, 1980
4107039 Dialysate preparation system Aug. 15, 1978
4084378 Waste gate control for supercharged engines Apr. 18, 1978
4069839 Gas pressure regulator Jan. 24, 1978
4011734 Cryogenic pressure regulator Mar. 15, 1977
3960126 Pressure regulator of liquefied-gas fuel system for internal combustion engines Jun. 1, 1976











 
 
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