| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 11/16/2004 | US6819209 Magnetic damper and actuator having the same |
| 11/16/2004 | US6819208 Electromagnetic linear actuator with position sensor |
| 11/16/2004 | US6819015 Stator fastening structure of reciprocating motor |
| 11/16/2004 | CA2184762C Linear pump |
| 11/11/2004 | US20040223755 Electromagnetic drive device and light quantity adjustment device using the same |
| 11/11/2004 | US20040222708 Electric oscillatory machine |
| 11/11/2004 | DE10326911B3 Electromagnetic drive device e.g. for operating valve piston of sliding piston valve, has drive part provided with permanent magnet device enclosed by magnetic yoke |
| 11/11/2004 | DE10313144B3 Magnetischer Linearantrieb Magnetic linear drive |
| 11/10/2004 | CN2655508Y 电磁机器 Electromagnetic machine |
| 11/10/2004 | CN1545758A Control system for a linear vibration motor |
| 11/09/2004 | US6815847 Linear motor |
| 11/04/2004 | WO2004094826A1 System for adjusting resonance frequencies in a linear compressor |
| 11/03/2004 | EP1472903A2 Transducer motor/generator assembly |
| 11/03/2004 | CN1543044A Reciprocating power arrangement with double-force of DC electromagnetic attraction and repulsion |
| 11/03/2004 | CN1174168C Linear compressor |
| 11/02/2004 | US6812606 Reciprocating motor |
| 11/02/2004 | US6812055 MEMS devices and methods of manufacture |
| 10/28/2004 | WO2004093290A2 Linear electric generator with accelerating elements |
| 10/28/2004 | US20040213430 Laminated motor structure for electromagnetic transducer |
| 10/28/2004 | US20040212270 Flat rotor and motor comprising the same |
| 10/28/2004 | US20040212254 Tube geometry motor for electromagnetic transducer |
| 10/27/2004 | CN2652032Y 一种电磁发动机 An electromagnetic engine |
| 10/27/2004 | CN2652031Y Linear motor driver of reciprocating oil-well pump |
| 10/27/2004 | CN1541498A Magnetic circuit for loudspeaker and loudspeaker comprising it |
| 10/27/2004 | CN1540847A Lnear motor possessing dual winding element of mover |
| 10/27/2004 | CN1540846A Linear motor possessing dual winding element of mover and composite motion platform |
| 10/26/2004 | US6810128 Electromagnetic induction actuator and portable telecommunications equipment |
| 10/26/2004 | US6809486 Active vibration and balance system for closed cycle thermodynamic machines |
| 10/26/2004 | US6809485 Driving device for oscillatory actuator |
| 10/26/2004 | US6809436 Microactuator having a ferromagnetic substrate |
| 10/26/2004 | US6809434 Linear motor |
| 10/21/2004 | WO2004091078A1 Rotary actuator |
| 10/21/2004 | WO2004091077A1 Proportional rotary torquer |
| 10/21/2004 | US20040210415 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
| 10/21/2004 | US20040208761 Device for pressurized perfusion especially for culturing and/or treating cells |
| 10/21/2004 | US20040207272 Linear motor |
| 10/20/2004 | EP1469580A1 Motor driving apparatus for a linear vibration motor |
| 10/20/2004 | EP1468205A2 Apparatus for reducing sensitivity of an article to mechanical shock |
| 10/20/2004 | EP1417404B1 High-speed controlling device |
| 10/20/2004 | CN1538603A Electromagnetic driver and exposure reglation component using it |
| 10/20/2004 | CN1538600A 振动控制装置 Vibration control device |
| 10/20/2004 | CN1538599A Linear actuator and pump device and air compressor device using it |
| 10/20/2004 | CN1538598A 电动马达 Electric motors |
| 10/14/2004 | DE102004009014A1 Fluidantriebseinheit und Wärmetransportsystem Fluid drive unit and heat transport system |
| 10/13/2004 | EP1467472A2 Electric motor |
| 10/13/2004 | EP1171711B1 Oscillating piston drive mechanism |
| 10/13/2004 | CN2648691Y Electric wobbler mechanism |
| 10/13/2004 | CN1171502C Signal converter |
| 10/12/2004 | US6803686 Electromechanical actuator |
| 10/07/2004 | WO2004086596A1 Linear electric motor with an arrangement for reducing vibrations |
| 10/07/2004 | DE102004008411A1 Durch einen linearen Elektromotor unterstützte Gasfeder By a linear electric motor Gas spring assisted |
| 10/06/2004 | EP1203439A4 Reciprocator and linear suspension element therefor |
| 10/06/2004 | CN2646950Y Linear reciprocating motor |
| 09/30/2004 | WO2004084387A1 Magnetic linear drive |
| 09/30/2004 | WO2004030975A3 Suspending, guiding and propelling vehicles using magnetic forces |
| 09/30/2004 | US20040190402 Objective lens driving device for optical head |
| 09/30/2004 | US20040189106 Microactuator having a ferromagnetic substrate |
| 09/30/2004 | US20040189105 Fixation framework for ring-shaped permanent magnet |
| 09/30/2004 | US20040189103 Linear motor |
| 09/30/2004 | DE19524259B4 Elektromagnetische Pumpe Electromagnetic Pump |
| 09/30/2004 | DE102004008902A1 Schwingungsvorrichtung und Herstellungsverfahren dafür Vibration device and manufacturing method thereof |
| 09/29/2004 | EP1463186A1 Linear actuator |
| 09/29/2004 | CN1533012A Fixing structure for circular permanent magnet |
| 09/29/2004 | CN1532556A Detection method for speed sensitive winding earthing of generator exciter winding |
| 09/28/2004 | US6798210 Speed sensitive field ground detection mode for a generator field winding |
| 09/23/2004 | WO2004082107A1 Linear dc motor |
| 09/23/2004 | WO2004082103A1 Stator core for linear motor |
| 09/23/2004 | WO2004082102A2 Stator of reciprocating motor and fabrication method thereof |
| 09/23/2004 | WO2004082101A2 Stator of reciprocating motor |
| 09/23/2004 | US20040183487 Motor driving apparatus |
| 09/23/2004 | US20040183383 Electric motor |
| 09/22/2004 | CN2642177Y Electrical appliance |
| 09/22/2004 | CN1531773A Stator for reciprocating motor |
| 09/22/2004 | CN1531173A Fluid driving component and heat transfer system |
| 09/21/2004 | US6792668 Method for producing an electromagnetic actuator |
| 09/16/2004 | US20040177712 Gear change device |
| 09/15/2004 | CN1166913C Great-scale displacement sensor |
| 09/14/2004 | US6791443 Actuator and transducer |
| 09/09/2004 | US20040174237 Electromagnetic drive type actuator |
| 09/07/2004 | US6787946 Actuator having a permanent magnet |
| 09/07/2004 | US6787942 Process for forming an annular stack of metallic laminations for the stator of a linear motor and an annular stack of metallic laminations |
| 09/02/2004 | US20040170513 Fluid drive unit and heat transport system |
| 09/02/2004 | US20040169480 Control system for a linear vibration motor |
| 09/02/2004 | US20040169425 Vibrator and method for manufacturing the same |
| 09/01/2004 | CN1526190A Linear motor and linear compressor including said motor |
| 09/01/2004 | CN1525434A Vibrator and method for manufacturing the same |
| 09/01/2004 | CN1525065A Oscillation-type compressor |
| 08/31/2004 | US6784630 Use of standoffs to protect atomic resolution storage mover for out-of-plan motion |
| 08/31/2004 | US6784593 Use of standoffs to protect atomic resolution storage mover for out-of-plane motion |
| 08/31/2004 | US6784592 Use of standoffs to protect atomic resolution storage mover for out-of-plane motion |
| 08/26/2004 | DE202004006156U1 Magnetantrieb für ein Ventil Magnetic drive for a valve |
| 08/26/2004 | DE10305905A1 Electric motor e.g. for valve in internal combustion engine, has rotor poles with alternately opposed magnetic field directions, and defined ratio of number of stator poles to number of rotor poles |
| 08/25/2004 | EP1450472A1 Linear motor and liner compressor using the same |
| 08/25/2004 | EP1450471A1 Motor driving apparatus for a linear vibration motor |
| 08/25/2004 | CN1523738A Mechanical energy-saving DC motor special for electric automobile |
| 08/24/2004 | US6781259 Electrical appartus having an actuator |
| 08/24/2004 | US6779982 Apparatus for controlling driving of reciprocating compressor and method thereof |
| 08/18/2004 | EP1119723B1 Magnetic drives |
| 08/17/2004 | US6778049 Apparatus and method for changing the dynamic response of an electromagnetically operated actuator |
| 08/17/2004 | US6777895 Vibrating linear actuator |