| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 05/26/1981 | CA1101967A1 Control circuit for electromagnetic apparatus |
| 05/19/1981 | CA1101518A1 5,000 hour blocking oscillator for an electromagnetic fuel pump |
| 05/13/1981 | EP0028467A1 Rotary actuator with selectable response characteristics |
| 05/05/1981 | US4265530 Shutter blade drive system |
| 04/30/1981 | WO1981001223A1 Flat-coil actuator array for multi-head disk drive |
| 04/28/1981 | US4264154 Apparatus for automatically controlling transmission of light through a lens system |
| 03/31/1981 | US4259602 Electromagnetic linear-motion device |
| 03/19/1981 | WO1981000794A1 Electromagnetic motor |
| 03/18/1981 | EP0025382A1 Electromagnetic solenoid actuator |
| 03/17/1981 | CA1097780A1 Solid state switching circuit for an electromagnetic pump |
| 03/17/1981 | CA1097779A1 Portable transfer pump |
| 03/11/1981 | EP0024995A1 Improved electromagnetic solenoid actuator |
| 03/11/1981 | EP0024429A1 Linear actuator |
| 03/10/1981 | US4254935 Solenoid construction |
| 03/10/1981 | US4254720 Electromechanical actuator applied to an electronically controlled sewing machine |
| 03/03/1981 | CA1096920A2 Reciprocating electric motor compressor |
| 02/17/1981 | CA1096016A1 Electro-mechanical vibrator |
| 02/10/1981 | US4250416 Moving-coil type motor |
| 02/05/1981 | WO1981000331A1 Small a.c.motor with permanent magnet rotor having a reciprocating motion |
| 02/03/1981 | US4249115 Magnetic apparatus for producing movement |
| 01/27/1981 | US4247794 Linear actuator |
| 01/21/1981 | EP0022499A1 Twin membrane compressor, particularly for aeration and such of aquaria |
| 01/06/1981 | US4243899 Linear motor with ring magnet and non-magnetizable end caps |
| 12/30/1980 | US4242658 Magnetic actuator using modulated flux |
| 12/30/1980 | US4242606 Magnetic final control element for a regulator apparatus |
| 12/23/1980 | US4240200 Dryshaving apparatus |
| 12/23/1980 | CA1091910A1 Dryshaving apparatus |
| 12/16/1980 | US4240056 Multi-stage solenoid actuator for extended stroke |
| 12/16/1980 | CA1091742A1 Compact fail-safe buzzer |
| 12/09/1980 | US4238698 Electromagnetic devices |
| 11/18/1980 | CA1089675A1 Imbalance determining apparatus and method |
| 11/12/1980 | EP0018477A1 Moving coil in magnetic field |
| 10/14/1980 | US4228373 Electromagnetic motor |
| 10/07/1980 | US4227164 Electromagnetic rotating apparatus |
| 10/07/1980 | US4227142 Pulsed excitation alternator |
| 10/01/1980 | EP0016023A1 Electromagnetic driving device for positive displacement oscillating pumps. |
| 09/17/1980 | EP0015783A1 Linear electric motor |
| 09/09/1980 | US4221548 Dual action solenoid pump |
| 09/04/1980 | WO1980001861A1 Linear actuator |
| 09/03/1980 | EP0015180A1 Pump and method for pumping a fluid |
| 09/02/1980 | US4220878 Drive-frame support mechanism for force motor |
| 09/02/1980 | CA1084977A1 Linear motor |
| 09/02/1980 | CA1084976A2 Reciprocating electric motor compressor |
| 08/26/1980 | US4219863 Drive circuit for solenoid pump |
| 08/26/1980 | US4219825 Electric actuating device |
| 08/12/1980 | US4217507 Linear motor |
| 07/29/1980 | US4215297 Electromagnetic percussion appliance |
| 07/09/1980 | EP0012812A1 Magnetic modulated-flux actuator |
| 07/08/1980 | US4211992 Positioning means for limited rotation motor |
| 07/08/1980 | CA1081349A1 Electromagnetic vibrator |
| 07/01/1980 | US4210831 Involute lamination armature for a linear reciprocating motor |
| 06/24/1980 | CA1080301A1 Switching system for solenoid reciprocator |
| 06/17/1980 | US4208685 Disk storage apparatus having an electrically tuned head-carriage actuator |
| 06/03/1980 | US4206373 Linear electric motor |
| 05/13/1980 | US4203062 Machine tool control system |
| 04/22/1980 | US4198743 Method for forming a magnetic core for a linear compressor |
| 04/22/1980 | CA1076186A1 Vibratory electromagnetic motor for a shaver |
| 04/01/1980 | US4196456 Magnetic head pivotal support with compact drive means |
| 03/18/1980 | US4193421 Electromagnetically operated valve unit |
| 02/05/1980 | US4187452 Electromechanical torsional oscillator with resonant frequency and amplitude control |
| 02/05/1980 | US4187440 Electromagnetic engine |
| 01/29/1980 | US4186332 Limited rotation moving iron motor with novel velocity sensing and feedback |
| 01/29/1980 | CA1070521A1 Linear actuator |
| 01/15/1980 | US4183453 Electronically operated portable fastener driving tool |
| 01/08/1980 | CA1069605A1 Electrically operated stapling device |
| 12/27/1979 | WO1979001155A1 Electromagnetic driving device for positive displacement oscillating pumps |
| 12/25/1979 | US4179899 Refrigerating system |
| 12/18/1979 | US4179631 Electromagnetic motor |
| 12/18/1979 | US4179630 Linear compressor |
| 12/18/1979 | CA1068320A1 Multi-actuator system using single magnetic circuit |
| 11/28/1979 | EP0005557A2 Regulation system with novel velocity sensing and feedback for a limited rotation moving iron motor |
| 10/09/1979 | CA1064160A1 Actuator for a disc drive apparatus |
| 10/02/1979 | US4169696 High pressure fluid pump |
| 10/02/1979 | CA1063710A1 Electromagnetic transducer |
| 09/25/1979 | US4169234 Reciprocating motor |
| 09/25/1979 | CA1063163A1 Electromechanical torsional oscillator with resonant frequency and amplitude control |
| 08/28/1979 | CA1061394A1 Electromagnetic devices |
| 08/28/1979 | CA1061392A1 Electromagnetic devices |
| 08/14/1979 | US4164722 Electromagnetic actuator with torque-compensating poles |
| 08/07/1979 | US4163911 Permanent magnet translational motor for respirators |
| 07/31/1979 | US4162876 Electromagnetically driven diaphragm pump |
| 07/24/1979 | US4162417 Electromechanical escapement |
| 07/17/1979 | US4161666 Imbalance determining apparatus |
| 07/11/1979 | EP0002697A1 Sprung mass oscillation system |
| 07/10/1979 | US4160924 Cryogenic temperature operated magnetic reciprocating motor system |
| 07/03/1979 | US4160177 Vibratory electromagnetic motor |
| 05/15/1979 | US4154559 Electromagnetic reciprocating pump |
| 05/01/1979 | CA1053733A2 Linear compressor |
| 04/24/1979 | US4150924 Electromagnetic plunger pump |
| 03/20/1979 | US4145625 Electro-magnetic devices |
| 02/06/1979 | US4138708 Drive circuit for solenoid pump |
| 02/06/1979 | CA1048097A1 Rotary actuator having stationary armature and rotary field |
| 01/23/1979 | US4136293 Multi-actuator system using single magnetic circuit |
| 01/16/1979 | US4135119 Limited rotation motor |
| 01/16/1979 | US4134698 Compact fail-safe buzzer |
| 12/12/1978 | US4129187 Electro-mechanical vibrator |
| 12/12/1978 | US4129028 Method and apparatus for working a hole |
| 12/05/1978 | CA1043843A1 Linear electromagnetic compressor |
| 11/28/1978 | US4127889 Electromagnetic damping mechanism for force motor |
| 11/07/1978 | CA1042049A1 Ac solenoid with split housing |