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Class Information
Number: 137/484.8
Name: Fluid handling > Line condition change responsive valves > Line flow effect assisted > Reactor surface separated from flow by apertured partition > Through separate aperture
Description: Devices having an additional aperture for the accommodation of the valve stem.










Patents under this class:

Patent Number Title Of Patent Date Issued
8459288 Pressure reducing valve and regulator for gas Jun. 11, 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
8181668 Pressure reducing valve for gas May. 22, 2012
7192665 Regulator for fuel cell Mar. 20, 2007
7157168 Regulator Jan. 2, 2007
6986338 Fluid flow pressure regulator Jan. 17, 2006
6328054 Balanced fluid pressure regulator Dec. 11, 2001
6273116 Method and device for opening a valve, especially a load changing valve of an internal combustion engine Aug. 14, 2001
6079434 Propane regulator with a balanced valve Jun. 27, 2000
5697398 Fluid pressure regulator with boost tube unit including stem guide and lever retainer Dec. 16, 1997
5586569 Pneumatic pressure regulator Dec. 24, 1996
5503182 Air pressure adjusting module balancing value and its chamber structure Apr. 2, 1996
5465750 Two-stage regulator Nov. 14, 1995
5443083 Pressure-reducing regulator for compressed natural gas Aug. 22, 1995
5381819 Pressure-reducing regulator for compressed natural gas Jan. 17, 1995
4754778 Velocity boost body with wrap-around pitot tube Jul. 5, 1988
4736767 Fluid flow controller Apr. 12, 1988
4489751 Pressure reducing regulator for oxygen service Dec. 25, 1984
4450858 Gas pressure reducing regulator May. 29, 1984
4385887 Combustion control apparatus May. 31, 1983
4148335 Relief valve improvement Apr. 10, 1979
4089343 Automatic flow control valve assembly May. 16, 1978
3991785 Flow regulator valve Nov. 16, 1976











 
 
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