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Your search returned 565 patents.
( 310/68B in Current US Classification )
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Patent IDTitleDate Filed
6822368 Rotary permanent magnet electric motor having stator pole shoes of varying dimensions July 31, 2002
6822355 Electronically-commutated motor July 10, 2003
6819068 Brushless DC motor having dual hall sensor September 20, 2002
6819022 Brushless motor for power tool May 29, 2003
6819019 Motor equipped with rotation sensor February 4, 2002
6809457 Brushless DC motor with a reduced thickness May 28, 2003
6809449 Controlled magnetic bearing apparatus December 11, 2002
6806666 Single-phase motor November 20, 2002
6806601 Brushless motor and disk drive including the same March 10, 2003
6806600 Actuator apparatus including a marker device April 10, 2002
6806599 Rotary actuating drive and rotary switch December 23, 2001
6806598 Double-phase half-wave brushless DC motor having two sensor/drive members July 21, 2003
6803781 Resolver, resolver fault detection circuit, and resolver fault detection method May 23, 2001
6803685 Encoder apparatus integrated with a small-size motor September 17, 2003
6794777 Robust minimal-loss flywheel systems December 19, 2003
6794775 Sensorless stall detection for motors August 22, 2003
6791219 Contactless electro-mechanical actuator with coupled electronic motor commutation and output position sensors June 18, 2003
6791218 Stall protection for brush motors with rotation sensing brush device May 13, 2003
6791217 Method and system for motor velocity measurement April 4, 2002
6777838 Methods and apparatus for increasing power of permanent magnet motors September 26, 2002
6768235 Rotator driving device, image forming apparatus using the rotator driving device, and method of driving rotator July 1, 2002
6765323 Method and device for detecting rotational drive force September 24, 2002
6762593 Rotary electric machine February 22, 2002
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