Richard E. Hartsfield JR.

Person

Chesterfield, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Reduced cogging torque permanent magnet electric machine with rotor...
- Patent number 6,707,209
- Issue date Mar 16, 2004
- Emerson Electric Co.
- Alan D. Crapo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power steering system including a permanent magnet motor
- Patent number 6,597,078
- Issue date Jul 22, 2003
- Emerson Electric Co.
- Alan D. Crapo
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hot dropped shell and segmented stator tooth motor
- Patent number 6,359,355
- Issue date Mar 19, 2002
- Emerson Electric Co.
- Richard E. Hartsfield
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Permanent magnet machine
- Publication number 20040041483
- Publication date Mar 4, 2004
- Horst E. Gary
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Interconnecting ring and wire guide
- Publication number 20040007934
- Publication date Jan 15, 2004
- Emerson Electric Co.
- Paul G. Michaels
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Interconnecting method for segmented stator electric machines
- Publication number 20040006865
- Publication date Jan 15, 2004
- Emerson Electric Co.
- Richard E. Hartsfield
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Electric power steering system including a permanent magnet motor
- Publication number 20030201137
- Publication date Oct 30, 2003
- Alan D. Crapo
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Electric power steering system including a permanent magnet motor
- Publication number 20020101126
- Publication date Aug 1, 2002
- Alan D. Crapo
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Slot area undercut for segmented stators
- Publication number 20020093269
- Publication date Jul 18, 2002
- Bernard G. Harter
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Magnetization of permanent magnet rotors with offset rotor sections
- Publication number 20020067092
- Publication date Jun 6, 2002
- Alan D. Crapo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Richard E. Hartsfield JR.

Person

Patents Grantslast 30 patents

Reduced cogging torque permanent magnet electric machine with rotor...

Electric power steering system including a permanent magnet motor

Hot dropped shell and segmented stator tooth motor

Patents Applicationslast 30 patents

Permanent magnet machine

Interconnecting ring and wire guide

Interconnecting method for segmented stator electric machines

Electric power steering system including a permanent magnet motor

Electric power steering system including a permanent magnet motor

Slot area undercut for segmented stators

Magnetization of permanent magnet rotors with offset rotor sections