Inventor · disambiguated record
Richard E. Hartsfield, Jr.
Also filed as: HARTSFIELD JR RICHARD E · HARTSFIELD RICHARD · HARTSFIELD RICHARD E
11 granted patents·395 citations·filing 1996–2004
93Inventor score
Technology areasH02K
Top patents by PatentIndex Score
11 records- 0196US6856055B2Interconnecting ring and wire guideEMERSON ELECTRIC CO·Filed 2002·Granted Feb 15, 2005·84 cites·37 claims
- 0294US6707209B2Reduced cogging torque permanent magnet electric machine with rotor having offset sectionsEMERSON ELECTRIC CO·Filed 2001·Granted Mar 16, 2004·91 cites·18 claims
- 0392US6946766B2Permanent magnet machineEMERSON ELECTRIC CO·Filed 2002·Granted Sep 20, 2005·49 cites·29 claims
- 0492US6359355B1Hot dropped shell and segmented stator tooth motorEMERSON ELECTRIC CO·Filed 2000·Granted Mar 19, 2002·67 cites·17 claims
- 0584US6597078B2Electric power steering system including a permanent magnet motorEMERSON ELECTRIC CO·Filed 2001·Granted Jul 22, 2003·27 cites·18 claims
- 0674US7034423B2Electric power steering system including a permanent magnet motorEMERSON ELECTRIC CO·Filed 2003·Granted Apr 25, 2006·16 cites·18 claims
- 0767USD380021SColorable playhouseHARTSFIELD RICHARD·Filed 1996·Granted Jun 17, 1997·16 cites·1 claims
- 0866USD527739SPower steering motorDANA EMERSON ACTUATOR SYSTEMS·Filed 2004·Granted Sep 5, 2006·19 cites·1 claims
- 0965US6941638B2Interconnecting method for segmented stator electric machinesEMERSON ELECTRIC CO·Filed 2002·Granted Sep 13, 2005·14 cites·10 claims
- 1060US6753632B1Controlling electric motor coggingEMERSON ELECTRIC CO·Filed 2003·Granted Jun 22, 2004·8 cites·17 claims
- 1151US7009319B2Controlling electric motor coggingEMERSON ELECTRIC CO·Filed 2004·Granted Mar 7, 2006·4 cites·5 claims
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