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Class Information
Number: 137/331
Name: Fluid handling > Non-valving motion of the valve or valve seat > Rotary motion of a reciprocating valve
Description: Apparatus which provides means for imparting rotary motion to a reciprocating valve.










Sub-classes under this class:

Class Number Class Name Patents
137/333 Manual rotating means 2
137/332 Turbine on valve 8


Patents under this class:

Patent Number Title Of Patent Date Issued
7997243 Ball type valve rotator Aug. 16, 2011
7523760 Valve rotating device Apr. 28, 2009
7287541 Method, apparatus and system for controlling fluid flow Oct. 30, 2007
6619935 Mixing valve with axially segmented stator windings for axially positioning a control element for controlling the fluid connection between inlets and outlets Sep. 16, 2003
6568415 Storing device for easily polymerizable and coagulating liquid substance and method for pressure control thereof May. 27, 2003
6460561 Valve piston and valve equipped with same Oct. 8, 2002
6334604 Direct drive valve ball drive mechanism and method of manufacturing the same Jan. 1, 2002
6273121 Valve seat self cleaning device for alumina production plants Aug. 14, 2001
6119716 Valve Sep. 19, 2000
6092550 Diaphragm valve seat arrangement Jul. 25, 2000
5893521 Hot water safety discharge nozzle Apr. 13, 1999
5234014 Fuel control governor Aug. 10, 1993
4793377 Direct drive servo valve Dec. 27, 1988
4790346 Fluid control valve Dec. 13, 1988
4672992 Direct drive valve-ball drive mechanism Jun. 16, 1987
4627461 Self cleaning valve Dec. 9, 1986
4597408 Rotating poppet valve system Jul. 1, 1986
4573494 Spherical ball drive mechanism for a direct drive valve Mar. 4, 1986
4487215 Gas venting valve Dec. 11, 1984
4465091 Improved self-grinding valve Aug. 14, 1984
4460009 Valve stem actuator Jul. 17, 1984
4457325 Safety and venting cap for vehicle fuel tanks Jul. 3, 1984
4346728 Automated dual mode valve actuator Aug. 31, 1982
4338961 Valve for handling hot caustic alumina solution with provision for grinding Jul. 13, 1982
4325398 Safety and venting valves for fuel tanks carried on vehicles Apr. 20, 1982
4245672 Sealing valve for sludge scavenging system Jan. 20, 1981
4241706 Valve rotator assembly Dec. 30, 1980
4175505 Valve rotator assembly Nov. 27, 1979
4175558 Apparatus for administering parenteral liquid in sequential units provided with a ball valve float Nov. 27, 1979
4134372 Valve rotating device Jan. 16, 1979
4094280 Valve rotating device Jun. 13, 1978
4006751 Method and apparatus for rotating hydraulic control rods Feb. 8, 1977
3952922 Precessing bottom pour stopper having swinging movement Apr. 27, 1976
3952713 Valve rotator Apr. 27, 1976











 
 
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