| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 10/24/1978 | US4122378 Solid state switching circuit for an electromagnetic pump |
| 10/17/1978 | US4121139 Magnetic apparatus for producing movement |
| 10/17/1978 | US4121125 Plunger compressor |
| 10/17/1978 | US4121124 Electrodynamic force generator |
| 10/03/1978 | CA1039786A1 Linear electromagnetic compressor |
| 09/26/1978 | US4117381 Vibrator |
| 09/19/1978 | US4114532 Impact printer magnet assembly |
| 09/05/1978 | US4112402 Compact fail-safe buzzer |
| 08/22/1978 | US4108345 Electromagnetic stapler and safety trigger therefor |
| 08/08/1978 | US4105904 Electromagnetic actuators |
| 07/25/1978 | US4102610 Constant volume seal-free reciprocating pump |
| 07/18/1978 | US4101950 Portable fluid transfer pump |
| 07/18/1978 | US4101816 Switch control system |
| 05/16/1978 | US4090112 Electrically damped oscillation motor |
| 04/25/1978 | US4086518 On demand fluid pump |
| 04/18/1978 | US4084502 Electric acutating device |
| 03/14/1978 | US4079436 5,000 Hour blocking oscillator for an electromagnetic fuel pump |
| 03/14/1978 | US4078877 Fuel feeding device for a heating unit, especially for vehicles |
| 02/28/1978 | US4076998 Oscillation motor |
| 02/14/1978 | US4074154 Electromagnetic vibrator with improved spring mounts |
| 01/31/1978 | US4071151 Vibratory high pressure coal feeder having a helical ramp |
| 01/10/1978 | US4067667 Controlled stroke electrodynamic oscillating motor compressor |
| 12/20/1977 | US4064442 Electric motor having permanent magnets and resonant circuit |
| 11/29/1977 | US4060313 Electromagnetically driven optical blade |
| 11/29/1977 | US4060003 Imbalance determining apparatus and method |
| 11/22/1977 | US4059775 Linear motor |
| 11/01/1977 | US4056760 Method of driving a two coordinate oscillator and circuit arrangement therefor |
| 11/01/1977 | US4056743 Oscillating reed electric motors |
| 10/11/1977 | US4053817 Electromagnetic vibrator |
| 10/04/1977 | US4051735 Linear actuator |
| 09/20/1977 | US4050066 Buzzer |
| 09/20/1977 | US4049997 Drive for dynamic mechanical system |
| 09/13/1977 | US4047852 In-line pump construction |
| 09/06/1977 | US4046137 Solenoid operated blood pump drive system |
| 08/23/1977 | US4044283 Electromechanical resonator |
| 07/05/1977 | US4033500 Electromagnetic stapler and safety trigger therefor |
| 05/31/1977 | US4027211 Electrical vibration type compressor |
| 05/24/1977 | US4025887 AC solenoid with split housing |
| 05/17/1977 | US4024552 Electromagnetically driven optical blade |
| 05/03/1977 | US4021151 Unitary reciprocating motor and compressor with gas cushioning |
| 04/26/1977 | US4020433 Release type electromagnetic device |
| 04/19/1977 | US4019103 Electromagnetic motor and generator |
| 04/12/1977 | US4017706 Method of providing a torque motor with air gaps of equal length |
| 04/05/1977 | US4016441 Linear motor |
| 04/05/1977 | US4016439 Magnetically activated oscillatory motor |
| 03/29/1977 | US4015227 Electromagnetic transducer |
| 03/15/1977 | US4012780 Linear actuator |
| 03/15/1977 | US4012779 Linear actuator |
| 03/15/1977 | US4012778 Linear actuator |
| 03/15/1977 | US4012675 Switching system for solenoid reciprocator |
| 02/08/1977 | US4007332 Artificial reverberation system |
| 01/25/1977 | US4005346 Direct electromagnetic reciprocating motor |
| 01/25/1977 | US4004505 Electromagnetic striker mechanism for a printer |
| 01/11/1977 | US4002935 Reciprocating linear motor |
| 01/04/1977 | US4001659 Apparatus for spinning a microelectronic substrate |
| 01/04/1977 | US4001658 Oscillator for non-sinusoidal movements |
| 11/16/1976 | US3991585 Cold-gas refrigerator |
| 10/05/1976 | US3984708 Electromagnetic tactile stimulator |
| 08/24/1976 | US3976923 Pattern generating apparatus |
| 07/27/1976 | US3971969 Electrically operated stapling device |
| 07/20/1976 | US3970980 Rotary actuator having stationary armature and rotary field |
| 06/08/1976 | US3961739 Method of welding metals using stress waves |
| 05/25/1976 | US3959673 Oscillation motors |
| 04/20/1976 | US3952217 Drive for scanning mirror |
| 04/06/1976 | US3949250 Rotary actuators |
| 04/06/1976 | US3949249 Electro-magnetic reciprocating motor |
| 03/30/1976 | US3947155 Linear compressor |
| 03/23/1976 | US3945109 Method and apparatus for driving interference-fit fasteners |
| 02/17/1976 | US3938778 Method and apparatus for protecting an immersed torque motor against contamination |
| 02/10/1976 | US3937600 Controlled stroke electrodynamic linear compressor |
| 02/10/1976 | US3937117 Composite tuning fork and method of making same |
| 02/03/1976 | US3936245 Fluid compressing apparatus |
| 02/03/1976 | US3936242 Linear motor cooling fan |
| 01/13/1976 | US3932792 Sealed pump and drive circuits therefor |
| 01/06/1976 | US3931554 Reciprocating motor-compressor system |
| 01/06/1976 | US3931534 Main frame and center clamp for a vibrating motor |