ClassID:

201512

H01F7/1816 - CPC Classification

Classification description:

Magnets; Electromagnets; Actuators including electromagnets with armatures; Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings; Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator

Sub-classes:
Recent Application in this class:
#1
20250182943
2025-06-05

Electronic circuit for actuating an electromagnetic linear actuator

#2
20210381617
2021-12-09

System and methods for operating a solenoid valve

#3
20210048117
2021-02-18

Methods and drive circuit for controlling a solenoid valve

#4
20200096019
2020-03-26

System and method for energizing a solenoid coil for fast solenoid actuation

#5
20200087079
2020-03-19

Electromagnetic stopper for a cargo conveyor system

#6
20200058428
2020-02-20

Low power solenoid with dropout detection and auto re-energization

#7
20190040972
2019-02-07

System and methods for operating a solenoid valve

#8
20170352461
2017-12-07

Valve operation booster

#9
20170243686
2017-08-24

Latching solenoid which utilizes residual magnetism for the latch and a capacitor which is discharged to degauss and release the latch

#10
20160305568
2016-10-20

Valve having electro-mechanical actuator and a control device with a delay circuit

#11
20160153577
2016-06-02

Valve device with a valve based on an electrodynamic actuator and method for controlling a valve with an electrodynamic actuator

#12
20160071641
2016-03-10

Driver circuit for electromagnetic dispenser

#13
20130321971
2013-12-05

Electronically-controlled solenoid

#14
20110315663
2011-12-29

Magnetic actuator circuit for high-voltage switchgear

#15
20110121217
2011-05-26

Solenoid valve

#16
20100149718
2010-06-17

System and method for controlling a set of bi-stable solenoids for electromagnetic locking systems

#17
20100008009
2010-01-14

Bistable electromagnetic actuator, control circuit of an electromagnetic actuator with double coil and electromagnetic actuator with double coil comprising one such control circuit

#18
20090323246
2009-12-31

METHOD, DEVICE, INJECTOR AND CONTROL UNIT FOR TRIGGERING AN INJECTOR

#19
20090309054
2009-12-17

SYSTEM AND METHOD OF OPERATING A SOLENOID VALVE AT MINIMUM POWER LEVELS

#20
20090261929
2009-10-22

Electromagnetic actuating device being actuated by AC power and held by DC power

#21
20090201620
2009-08-13

ELECTROMAGNETIC FIELD ENERGY RECYCLING

#22
20080319584
2008-12-25

PROCEDURE FOR CONTROLLING AN INJECTION VALVE

#23
20080191821
2008-08-14

Electrical supply circuit, switch activating apparatus and method for operating a switch activating apparatus

#24
20080184968
2008-08-07

Solenoid valve driver and fuel injection system equipped with the same for compensating lag of operation of solenoid valve

#25
20080165467
2008-07-10

Drive circuit for an actuator and method for driving an actuator

#26
20080163661
2008-07-10

Dent Removing Method and Device

#27
20080074822
2008-03-27

Electrically excited load full voltage actuation reduced voltage sustaining driving circuit

#28
20080074821
2008-03-27

Trigger circuit for an electromagnetic actuator

#29
20070223172
2007-09-27

Method and circuit arrangement for operating a solenoid actuator

#30
20070188967
2007-08-16

Solenoid driver circuit

#31
20060238949
2006-10-26

Solenoid driver with high-voltage boost and reverse current capability

#32
20060162680
2006-07-27

Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine

#33
20060150933
2006-07-13

Initialization of electromechanical valve actuator in an internal combustion engine

#34
20060082162
2006-04-20

Electromechanical door solenoid current surge booster circuit

#35
20060075994
2006-04-13

Single device for controlling fuel electro-injectors and electrovalves in an internal-combustion engine, and method of operating the same

#36
20050279299
2005-12-22

Initialization of electromechanical valve actuator in an internal combustion engine

#37
20050279298
2005-12-22

Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine

#38
20050248902
2005-11-10

Electromagnetic valve actuation with series connected electromagnet coils

#39
20050207086
2005-09-22

Power electronics circuit for electromechanical valve actuator of an internal combustion engine

#40
20050195058
2005-09-08

Device and a method for magnetizing a magnet system

#41
20050078428
2005-04-14

Mining solenoid

#42
20050013078
2005-01-20

Actuation circuit for an electromagnetic actuator