| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 08/24/1988 | EP0170056B1 Electrical flat coil actuator |
| 08/17/1988 | EP0278113A1 Movable coil driving unit |
| 08/16/1988 | US4764695 Vibrator |
| 08/16/1988 | CA1240589A1 Jig-saw |
| 08/09/1988 | US4761960 Cryogenic refrigeration system having an involute laminated stator for its linear drive motor |
| 08/02/1988 | US4761575 Servo-valve and a control motor therefor |
| 07/26/1988 | US4760480 Head access mechanism for magnetic disk memory device |
| 06/29/1988 | CN86108222A Piston type electromagnetic motor and swing-plate type electromagnetic motor |
| 06/28/1988 | US4754353 Hard disk head positioner assembly |
| 06/14/1988 | US4751597 Center of percussion head actuator assembly |
| 06/14/1988 | US4751437 Wide bandwidth linear motor system |
| 06/07/1988 | US4749893 Magnetically actuated engine |
| 06/07/1988 | US4749891 Non-linear electromagnetic vibration device |
| 06/07/1988 | US4748738 High strength magnet-pole piece assembly tool |
| 06/01/1988 | EP0268619A1 Electromagnetic actuation device. |
| 05/18/1988 | CN85101773B Vibrating motor with axle-type armature |
| 05/11/1988 | EP0266835A1 Control device for controlling the power supply to an oscillating motor for driving a compressor unit of the resonant-piston type and compressor unit of the resonant-piston type provided with such a control device |
| 05/11/1988 | EP0266834A1 Oscillating motor |
| 05/11/1988 | CN87107490A Control device for controlling power supply to oscillating motor for driving compressor unit of resonant-piston type and compressor unit of resonant-piston type provided with such control device |
| 05/10/1988 | US4743178 Non-linear electromagnetic vibration fluid compression device |
| 04/27/1988 | EP0264534A2 Head actuator for use in a disc drive |
| 04/26/1988 | CA1235807A1 Particle free linear motor |
| 04/20/1988 | CN86200259U Electric actuator capable of reciprocating rotation within a fixed angle range |
| 04/13/1988 | CN87106800A Piston engine by magnetic energy |
| 04/12/1988 | US4737695 Air pump for aquarium |
| 03/24/1988 | WO1988002193A1 Electromagnetic oscillation motor |
| 03/22/1988 | CA1234407A1 Torque motor having a coil with finite turning range |
| 03/16/1988 | CN87104195A Operating system of a magnetic energy motor |
| 03/01/1988 | US4728871 Novelty electric motor |
| 02/23/1988 | US4727299 Auto-rocking apparatus with non-fixed supporting points |
| 02/10/1988 | EP0255736A1 Automatic tool exchange apparatus |
| 02/09/1988 | US4724349 Pivoting armature of an electric control motor |
| 01/27/1988 | CN87202967U Permanent flicker art moulding ornament |
| 01/20/1988 | EP0253562A2 Cryogenic refrigeration system having an involute laminated stator for its linear drive motor |
| 01/19/1988 | US4719941 Throttle valve |
| 01/12/1988 | US4719376 Electromagnetic vibratory exciter |
| 01/07/1988 | EP0251350A2 Electric motor |
| 01/07/1988 | DE3719460A1 Method for driving a pump's pumping element connected to an oscillating-armature drive, and pump working according to it |
| 01/05/1988 | US4717900 Low profile electromagnetic linear motion device |
| 12/26/1987 | CN87204188U Vibrating electric motor |
| 12/22/1987 | US4713939 Linear drive motor with symmetric magnetic fields for a cooling system |
| 12/17/1987 | WO1987007757A1 Electromagnetic actuation device |
| 12/05/1987 | CN86206638U Mechanical power output amplifier of a double-spiralpipe electric vibrator |
| 11/25/1987 | EP0246468A2 A linear drive motor with symmetric magnetic fields for a cooling system |
| 11/24/1987 | CA1229656A1 Variable frequency controller |
| 11/19/1987 | EP0245909A1 Electromagnetic vibrator for seismic and civil-engineering applications |
| 11/10/1987 | US4705995 Control circuit for airless spray gun |
| 11/04/1987 | CN87200807U Linear direct-current motor with moving-iron and permanent-magnet tube |
| 10/27/1987 | US4703297 Permanent magnet type linear electromagnetic actuator |
| 10/20/1987 | US4701647 Electromagnetic vibratory exciter |
| 10/14/1987 | EP0241430A1 Oscillating linear scanning device |
| 10/13/1987 | US4700090 Motor-compressor unit |
| 09/30/1987 | EP0239333A2 Wide bandwidth linear motor system |
| 09/30/1987 | CN86108648A Lightweight high power electromagnetic transducer |
| 09/29/1987 | US4697113 Magnetically balanced and centered electromagnetic machine and cryogenic refrigerator employing same |
| 09/23/1987 | EP0237639A1 Permanent magnet type linear electromagnetic actuator |
| 09/15/1987 | US4694212 Magnetic preloading of actuator bearings |
| 09/02/1987 | EP0234953A2 Electromagnetic vibrator |
| 09/01/1987 | US4691135 Rotary driving device used for rotary actuator |
| 09/01/1987 | US4690066 Electromagnetically floated carrier system with stopping unit |
| 08/18/1987 | US4687054 Linear electric motor for downhole use |
| 08/12/1987 | EP0232152A2 Electromagnetic vibrator |
| 08/05/1987 | EP0230639A2 Lightweight high power electromagnetic transducer |
| 07/21/1987 | US4682063 Control motor for a servo valve |
| 07/07/1987 | US4678951 Linear motor |
| 07/07/1987 | US4678000 High speed electromagnetic valve |
| 06/23/1987 | US4675563 Reciprocating linear motor |
| 06/16/1987 | US4673833 Electromagnetic vibratory exciter |
| 06/16/1987 | US4673163 Electromagnetic actuators |
| 06/11/1987 | DE3543478A1 Drive device having a drive motor |
| 05/26/1987 | US4669013 Multiple coils for reduction of stray magnetic fields in disk file actuators |
| 05/13/1987 | EP0221735A1 Linear motors |
| 05/13/1987 | EP0221228A1 Electric drive |
| 04/23/1987 | DE3622580A1 Electromagnetic piston machine |
| 04/22/1987 | EP0218968A2 Electromagnetic actuator |
| 04/21/1987 | US4658953 Device for moving workpieces by means of electromagnetic oscillations |
| 04/15/1987 | EP0217930A1 Electromechanical transducer |
| 04/14/1987 | US4658313 Magnetic shield for rotary actuator in a magnetic disc device |
| 03/17/1987 | US4650307 Electromagnetic actuator |
| 03/17/1987 | US4649925 Ultrasonic transducer probe drive mechanism with position sensor |
| 03/11/1987 | EP0213234A1 Airless spraygun |
| 03/03/1987 | US4647009 Electromagnetic rotary driving device |
| 02/17/1987 | US4644211 Electric rotary drive apparatus operable in a magnetic cylinder |
| 02/17/1987 | US4644205 Positioning device of magnetic suspension type |
| 02/17/1987 | US4643394 Gas solenoid valve |
| 02/17/1987 | US4642882 Method of making a laminated stator |
| 02/10/1987 | US4642495 Electric rotary machine having superconducting rotor |
| 02/03/1987 | US4641072 Electro-mechanical actuator |
| 02/03/1987 | US4641050 Electrodynamic shakers |
| 01/31/1987 | CN86100148A Electric impact device |
| 01/31/1987 | CN85101773A Vibrating motor with axle-type armature |
| 01/27/1987 | US4639624 Torque motor having a coil with finite turning range |
| 01/20/1987 | US4638193 Linear impulse motor |
| 01/14/1987 | EP0208125A1 Automatic tool exchange system for machine tools |
| 01/14/1987 | EP0208124A2 Improvement in stepper motors |
| 01/14/1987 | EP0208123A1 Printed-circuit motor |
| 01/08/1987 | DE3523109A1 Razor apparatus having a vibrating-armature drive |
| 01/07/1987 | EP0207298A1 Stepper motor |
| 01/06/1987 | US4635151 Rotary actuator having preloaded spring crash stop |
| 12/30/1986 | US4633456 Two axis electromagnetic actuator |