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Class Information
Number: 137/533.13
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Weight biased > Valve body is the weight > Ball valves > Removable cage
Description: Valves in which the means for controlling the movement of the valve element is separable from the valve body.










Patents under this class:

Patent Number Title Of Patent Date Issued
8272856 High-pressure pump, in particular for a fuel injection apparatus of an internal combustion engine Sep. 25, 2012
8146618 Ball non-return valve Apr. 3, 2012
7955059 Fluid control device for a high pressure analytical instrument Jun. 7, 2011
7823601 Drain trap Nov. 2, 2010
7237569 Ball check valve Jul. 3, 2007
6234198 Air vent valve May. 22, 2001
6202678 Gas discriminating valve for shutting off excessive flow of liquids Mar. 20, 2001
6056012 Inline check valve May. 2, 2000
6035890 Retainer insert for a valve having a floating closure member Mar. 14, 2000
5992452 Ball and seat valve assembly and downhole pump utilizing the valve assembly Nov. 30, 1999
5967180 Check valve Oct. 19, 1999
5937896 Check valve and seating valve Aug. 17, 1999
5799689 Tubular refrigerant check valve with idented outer housing portion Sep. 1, 1998
5785083 Tubular refrigerant check valve with snap-together internal valve cage structure Jul. 28, 1998
5662138 Drop head structure Sep. 2, 1997
5522426 Valve arrangement in particular a solenoid valve arrangement for slip-controlled automotive vehicle brake systems Jun. 4, 1996
5232014 Check valve Aug. 3, 1993
5178184 Pump valve apparatus Jan. 12, 1993
4945945 Check valve assembly for corrosive fluids Aug. 7, 1990
4736768 Relief valve of hydraulic devices Apr. 12, 1988
4691735 Plunger valve apparatus for oil well pump Sep. 8, 1987
4687023 Ball check valve Aug. 18, 1987
4684334 Inlet valve assembly for paint sprayer Aug. 4, 1987
4674529 Check valve Jun. 23, 1987
4621598 Hydraulic lash adjustor in a valve operating mechanism Nov. 11, 1986
4611473 Refrigeration system with integral check valve Sep. 16, 1986
4543986 Ball check valve and plate Oct. 1, 1985
4530319 Hydraulic lash adjustor in a valve operating mechanism Jul. 23, 1985
4246002 Flash arrester Jan. 20, 1981
4243067 Ball type check valve Jan. 6, 1981
4201626 Liquid-liquid contacting apparatus May. 6, 1980
4091839 Ball check valve May. 30, 1978
4070237 Automatic vacuum stabilizing valve Jan. 24, 1978
3932898 Prosthetic heart valve separately formed cage Jan. 20, 1976











 
 
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