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Class Information
Number: 251/129.01
Name: Valves and valve actuation > Electrically actuated valve
Description: Subject matter comprising means in the form of a valve actuator which uses electrical energy to change the position of a movable element, i.e., a valve, to regulate or control the flow of a fluent material through a passage or opening.










Sub-classes under this class:

Class Number Class Name Patents
251/129.07 Balanced valve 271
251/129.14 Freely rotatable ball valve 206
251/129.06 Having element dimensionally responsive to field 463
251/129.05 Having means to produce digital pulses 231
251/129.08 Having means to produce proportional flow 327
251/129.15 Including solenoid 1,389
251/129.04 Remote or follow-up control system for electrical actuator 646
251/129.11 Rotary electric actuator 675
251/129.09 Solenoid having plural coils 110
251/129.02 With means to bias valve open 273
251/129.03 With nonelectrical actuator 267


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

Patent Number Title Of Patent Date Issued
8701702 Fluid delivery device including a thermoelectric module Apr. 22, 2014
8690117 Water meter Apr. 8, 2014
8678346 Near-field wireless powered solenoid valve Mar. 25, 2014
8678298 Compensation for spool motion related fuel delivery drift over time in a hydraulically actuated fuel injector Mar. 25, 2014
8678023 Damage detection system and vehicle Mar. 25, 2014
8671975 Compliant-seal check valve Mar. 18, 2014
8668005 Dump bailer Mar. 11, 2014
8662312 Piezoelectric valve and optical granular material-sorting apparatus utilizing such piezoelectric valve Mar. 4, 2014
8662187 Permanent magnet linear motor actuated safety valve and method Mar. 4, 2014
8662468 Microvalve device Mar. 4, 2014
8646471 Electrostatically addressable microvalves Feb. 11, 2014
8627883 Downhole linear actuation apparatus and method Jan. 14, 2014
8628055 Bi-direction rapid action electrostatically actuated microvalve Jan. 14, 2014
8627792 Adjusting device Jan. 14, 2014
8616124 Pressure relief valve for a round baler Dec. 31, 2013
8616523 Low-pressure valve with an inner and outer throughflow cross section Dec. 31, 2013
8602108 Subsea tree safety control system Dec. 10, 2013
8602384 Water meter Dec. 10, 2013
8593811 Method and structure for optimizing heat exchanger performance Nov. 26, 2013
8584698 Programmable device for compressor valve Nov. 19, 2013
8578896 Method for bounce suppression of a valve switched by a piezo actuator Nov. 12, 2013
8567359 Feed forward control for electric variable valve operation Oct. 29, 2013
8567757 Wireless fluid shut-off valve Oct. 29, 2013
8571769 Control method of the position of a solenoid valve using dithering Oct. 29, 2013
8556227 Temperature-compensated piezoelectric flexural transducer Oct. 15, 2013
8556232 Linear solenoid and valve device using the same Oct. 15, 2013
8551599 Reconfigurable microactuator and method of configuring same Oct. 8, 2013
8539827 Water meter with integral flow restriction valve Sep. 24, 2013
8522821 Torque motor linearization Sep. 3, 2013
8522751 Fuel pressure regulator for a motor vehicle Sep. 3, 2013
8505871 Electronically activated access valve Aug. 13, 2013
8490586 Electromagnetic actuating unit of a solenoid valve, and method for the production of such an actuating unit Jul. 23, 2013
8493232 Gas shut-off valve with feedback Jul. 23, 2013
8430123 Position regulator Apr. 30, 2013
8430346 Compressed air throttle device and a powder spray coating device Apr. 30, 2013
8430127 Electrohydraulic control module Apr. 30, 2013
8423313 Method and apparatus for testing valve control system Apr. 16, 2013
8413638 Directly actuated valve with a strain-type actuator and a method of operating same Apr. 9, 2013
8403292 Microvalve having magnetic wax plug and flux control method using magnetic wax Mar. 26, 2013
8376317 Microfluidic purge valve Feb. 19, 2013
8366602 Electrically activated valve for implantable fluid handling system Feb. 5, 2013
8360392 Slide valve control device and a drive device for use with it Jan. 29, 2013
8347967 Subsea tree safety control system Jan. 8, 2013
8339225 Electromagnetic actuating device Dec. 25, 2012
8322499 Damping valve for a hydraulic shock absorber Dec. 4, 2012
8323577 Layered adaptive membrane structure Dec. 4, 2012
8308698 Fluid driven medical injectors Nov. 13, 2012
8297589 Active valve and methods of operation thereof Oct. 30, 2012
8292261 Secured water and/or air dispenser for snowmaking system, equipped with an electric-actuator-driven valve Oct. 23, 2012
8286935 Subsea electric actuator using linear motor Oct. 16, 2012

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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