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Class Information
Number: 137/493.7
Name: Fluid handling > Line condition change responsive valves > Bi-directional flow valves > Axes of ports perpendicular
Description: Apparatus wherein the axis of one valve port is perpendicular to the axis of the second valve port. Port as used herein is the inlet or outlet provided with the valve seat.










Patents under this class:

Patent Number Title Of Patent Date Issued
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6786227 System and method including a fuel tank isolation valve Sep. 7, 2004
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6719005 Combination check valve and pressure release valve Apr. 13, 2004
6296013 Pressure/flow rate control valve Oct. 2, 2001
6237629 Apparatus for positive water retention and circulation in storage tanks May. 29, 2001
5957157 Pilot operated pressure/vacuum vent for a fuel storage tank Sep. 28, 1999
5853162 Electromagnetic control valve responsive to positive and negative pressures Dec. 29, 1998
5836351 Vent device Nov. 17, 1998
5458218 Suspension system for motor vehicles as well as damping valve for said suspension system Oct. 17, 1995
5419366 Valve May. 30, 1995
5368068 Relief valve for the fuel pump of an oil burner Nov. 29, 1994
5255700 Capacity fuse valve Oct. 26, 1993
5092229 Entirely uniformly heated responsive cooker Mar. 3, 1992
4979675 Pressure control valve Dec. 25, 1990
4909277 Selectively indexed multiple orifice valve Mar. 20, 1990
4766960 Standing and injection valve Aug. 30, 1988
4748003 Container for flash sterilization May. 31, 1988
4723571 Fluid supply apparatus Feb. 9, 1988
4711435 Apparatus for hydraulic damping Dec. 8, 1987
4402340 Pressure-responsive shut-off valve Sep. 6, 1983
4323096 Combination vacuum relief valve and pressure relief valve which are protected from the atmosphere Apr. 6, 1982
4317467 Two-way pressure relief valve Mar. 2, 1982
4091837 Freezeproof breather valve May. 30, 1978
3933171 Anesthesia breathing circuit with positive end expiratory pressure valve Jan. 20, 1976











 
 
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