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Class Information
Number: 251/263
Name: Valves and valve actuation > Mechanical movement actuator > Cam > Biased > Spring
Description: Devices in which the biasing means is a spring.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8667887 Actuator for a closing element of a valve Mar. 11, 2014
8636481 Embedded built-in air pump Jan. 28, 2014
8561966 Cam valve Oct. 22, 2013
8556233 Field removable bonnet assemblies for use with valves Oct. 15, 2013
8550113 Vacuum breaker flow regulator Oct. 8, 2013
8500089 Method of operating on-off valve Aug. 6, 2013
8418992 Faucet with locking safety handle Apr. 16, 2013
8418991 Faucet valve with safety handle Apr. 16, 2013
8402997 Fluid flow control cock fitted with a lever having several stable positions Mar. 26, 2013
8297303 Self cleaning valve assembly Oct. 30, 2012
8262057 Flow controlled actuator apparatus for use with self-closing stop valves Sep. 11, 2012
8181545 Actuator with integrated drive mechanism May. 22, 2012
8146885 Field removable bonnet assemblies for use with valves Apr. 3, 2012
8123194 On-off valve and process apparatus employing the on-off valve Feb. 28, 2012
8061682 Fluid flow control cock fitted with a lever having several stable positions Nov. 22, 2011
8056580 Fluid flow control cock fitted with a lever having several stable positions Nov. 15, 2011
7922151 Valve actuator Apr. 12, 2011
7922152 Valve element opening/closing device Apr. 12, 2011
7918436 Valve element opening/closing device Apr. 5, 2011
7819383 Three-position selector valve Oct. 26, 2010
7627909 Faucet sensor mounting assembly Dec. 8, 2009
7497391 Fuel injector Mar. 3, 2009
7418976 Method and apparatus for pneumatic regulation including a high-pressure reserve Sep. 2, 2008
7284742 Flow control valve Oct. 23, 2007
7163193 Water flow-controlling device for a cooling system of a vehicle Jan. 16, 2007
7147207 Actuator apparatus for controlling a valve mechanism of a suspension system Dec. 12, 2006
7140337 Valve gear mechanism Nov. 28, 2006
7118090 Control valves Oct. 10, 2006
7032881 Switch mechanism for a pneumatic tool Apr. 25, 2006
6997434 Twist cam valve Feb. 14, 2006
6994318 Faucet spout attachment Feb. 7, 2006
6994319 Membrane gas valve for pulsing a gas Feb. 7, 2006
6899120 Yard hydrant May. 31, 2005
6868994 Liquid-dispensing faucet including mounting fitting with valve seat Mar. 22, 2005
6860414 Filling head Mar. 1, 2005
6860469 Rotary valve actuator Mar. 1, 2005
6845786 Spigot valve Jan. 25, 2005
6840279 Pneumatic switching valve for systems for lifting and lowering the body of vehicles including air suspension Jan. 11, 2005
6793194 Rotary valve actuator Sep. 21, 2004
6763850 Throttle control mechanism and sensor mounted on a throttle body Jul. 20, 2004
6708726 Valve driving apparatus Mar. 23, 2004
6679476 Control valves Jan. 20, 2004
6651695 Diaphragm-operated pressure regulating valve Nov. 25, 2003
6557584 Flow control and flow rate control mechanisms for use in brewing machines with fluidly connected chambers May. 6, 2003
6527248 Solenoid valve with a manual control pushbutton Mar. 4, 2003
6516826 Hydraulic flow valve Feb. 11, 2003
6427974 Valve with manual activation Aug. 6, 2002
6405768 Pressure fuel servicing nozzle Jun. 18, 2002
6405758 Valve driving apparatus Jun. 18, 2002
6367775 Universal fill valve Apr. 9, 2002

1 2 3 4










 
 
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