Charles A. Spellman JR.

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Yorktown, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary angle sensing system
- Patent number 7,456,629
- Issue date Nov 25, 2008
- Continental Automotive Systems US, Inc.
- Brian G. Babin
- G01 - MEASURING TESTING
Information Patent Grant
Contactless Hall-effect angular position sensor
- Patent number 7,400,139
- Issue date Jul 15, 2008
- Continental Automotive Systems US, Inc.
- Charles Spellman
- G01 - MEASURING TESTING
Information Patent Grant
Absolute angle sensor for multi-turn shaft
- Patent number 6,492,807
- Issue date Dec 10, 2002
- Siemens VDO Automotive Corporation
- Charles Albert Spellman
- G01 - MEASURING TESTING
Information Patent Grant
System for magnetization to produce linear change in field angle
- Patent number 6,448,763
- Issue date Sep 10, 2002
- Siemens Corporation
- Charles Albert Spellman
- G01 - MEASURING TESTING
Information Patent Grant
Increased output variable reluctance sensor
- Patent number 6,433,534
- Issue date Aug 13, 2002
- Siemens VDO Automotive Corporation
- Charles Albert Spellman
- G01 - MEASURING TESTING
Information Patent Grant
Linear position sensor using magnetic fields
- Patent number 6,411,081
- Issue date Jun 25, 2002
- Siemens AG
- Charles Albert Spellman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Rotary angle sensing system
- Publication number 20080012554
- Publication date Jan 17, 2008
- Siemens VDO Automotive Corporation
- Brian G. Babin
- G01 - MEASURING TESTING
Information Patent Application
Contactless hall-effect angular position sensor
- Publication number 20070029996
- Publication date Feb 8, 2007
- Siemens VDO Automotive Corporation
- Charles Spellman
- G01 - MEASURING TESTING
Information Patent Application
Non-contacting large angle rotary position sensor for rotating shaft
- Publication number 20030231015
- Publication date Dec 18, 2003
- Siemens VDO Automotive Corporation
- Charles A. Spellman
- G01 - MEASURING TESTING
Information Patent Application
Absolute angle sensor for multi-turn shaft
- Publication number 20020105321
- Publication date Aug 8, 2002
- Charles Albert Spellman
- G01 - MEASURING TESTING
Information Patent Application
System for magnetization to produce linear change in field angle
- Publication number 20020089327
- Publication date Jul 11, 2002
- Charles Albert Spellman
- G01 - MEASURING TESTING
Information Patent Application
INCREASED OUTPUT VARIABLE RELUCTANCE SENSOR .
- Publication number 20020074995
- Publication date Jun 20, 2002
- Charles Albert Spellman
- G01 - MEASURING TESTING