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Class Information
Number: 251/65
Name: Valves and valve actuation > Permanent or constantly energized magnet actuator
Description: Subject matter wherein the actuator for the valve includes a permanent magnet or a constantly energized electromagnet.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8690119 Leak-free reciprocating stemmed valve Apr. 8, 2014
8678343 Tau-omega armature-stator configuration of long stroke solenoid Mar. 25, 2014
8667988 Actuating mechanism of a gas valve unit Mar. 11, 2014
8668183 Dual-direction in-tank magnetic safety valve Mar. 11, 2014
8662071 Household gas appliance with a magnetically controlled gas supply system Mar. 4, 2014
8662187 Permanent magnet linear motor actuated safety valve and method Mar. 4, 2014
8622366 Manually operable drive module Jan. 7, 2014
8602381 Valve assemblies Dec. 10, 2013
8602382 Valve assemblies Dec. 10, 2013
8596606 Automate fluid flow control system Dec. 3, 2013
8585013 Magnetic microvalve using metal ball and method of manufacturing the same Nov. 19, 2013
8579250 High precision energy efficient valve Nov. 12, 2013
8567440 Solenoid operated valve Oct. 29, 2013
8567755 Solenoid operated fluid control valve Oct. 29, 2013
8567757 Wireless fluid shut-off valve Oct. 29, 2013
8544818 Electronic adapter for controlling a bistable valve Oct. 1, 2013
8540208 Bistable valve Sep. 24, 2013
8540209 Active combustion flow modulation valve Sep. 24, 2013
8534320 Magnetic transmission Sep. 17, 2013
8528597 Actuator and valve assembly Sep. 10, 2013
8517045 Automatic fluid flow control device Aug. 27, 2013
8517334 Electromagnetic valve mechanism Aug. 27, 2013
8505573 Apparatus and method for controlling fluid flow Aug. 13, 2013
8464998 Automate fluid flow control system Jun. 18, 2013
8444070 Electric-actuated control valve of a unit fuel injector May. 21, 2013
8418990 Magnetic valve actuator for container filling machine Apr. 16, 2013
8398050 Hold open configuration for safety valve and method Mar. 19, 2013
8393594 Drive mechanism, actuator, and valve Mar. 12, 2013
8387945 Method and system for a magnetic actuator Mar. 5, 2013
8371331 Solenoid operated fluid control valve Feb. 12, 2013
8365753 Fluid flow controller Feb. 5, 2013
8366408 Externally assisted valve for a positive displacement pump Feb. 5, 2013
8302327 Valve for magnetorheologic fluids Nov. 6, 2012
8302932 Sprinkler valve test and control device and method thereof Nov. 6, 2012
8297315 Throttle valve Oct. 30, 2012
8292259 Magnetic valve Oct. 23, 2012
8286935 Subsea electric actuator using linear motor Oct. 16, 2012
8272622 Electromagnetic actuator Sep. 25, 2012
8251085 Leak prevention method for gas lines Aug. 28, 2012
8240329 Fluid control valve Aug. 14, 2012
8240636 Valve system Aug. 14, 2012
8241240 Adjustable valve setting with motor control Aug. 14, 2012
8215610 Bi-directional electromechanical valve Jul. 10, 2012
8205855 Electric control valve Jun. 26, 2012
8141842 Solenoid valve Mar. 27, 2012
8127791 Solenoid operated fluid control valve Mar. 6, 2012
8124024 Cassette for sample preparation Feb. 28, 2012
8051878 Magnetic valves for performing multi-dimensional assays using one microfluidic chip Nov. 8, 2011
8042921 Valve device provided in a passage forming member Oct. 25, 2011
8038641 Tools and methods for programming an implantable valve Oct. 18, 2011

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