Inventor
BUTLER JR RAYMOND O
US31 patents
⚠️ This page may combine multiple inventors who share the name “BUTLER JR RAYMOND O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELPHI TECH INC
27 patentsUS7623966B2Nov 24, 2009
System and method for providing information to travelers
DELPHI TECH INC43 citations92
US6679236B2Jan 20, 2004
Ignition system having a high resistivity core
DELPHI TECH INC22 citations92
US6615811B1Sep 9, 2003
Ignition coil integrated ion sense with combustion and knock outputs
DELPHI TECH INC32 citations92
US6186130B1Feb 13, 2001
Multicharge implementation to maximize rate of energy delivery to a spark plug gap
DELPHI TECH INC22 citations92
US6186129B1Feb 13, 2001
Ion sense biasing circuit
DELPHI TECH INC34 citations92
US6622711B1Sep 23, 2003
Ignition coil cassette assembly
DELPHI TECH INC33 citations91
US6213108B1Apr 10, 2001
System and method for providing multicharge ignition
DELPHI TECH INC36 citations91
US6615645B1Sep 9, 2003
System and method for generating a knock determination window for an ion current sensing system
DELPHI TECH INC21 citations89
US6886547B2May 3, 2005
Ignition system with multiplexed combustion signals
DELPHI TECH INC14 citations84
US6378513B1Apr 30, 2002
Multicharge ignition system having secondary current feedback to trigger start of recharge event
DELPHI TECH INC16 citations83
US6367318B1Apr 9, 2002
Multicharge ignition system having combustion feedback for termination
DELPHI TECH INC16 citations82
US6814065B1Nov 9, 2004
Control apparatus for staggered spark plug firing in a dual-plug spark ignition engine
DELPHI TECH INC8 citations74
US6268721B1Jul 31, 2001
Low cost binary encoded crankshaft position sensor
DELPHI TECH INC14 citations74
US6263727B1Jul 24, 2001
Make voltage bias ion sense misfired detection system
DELPHI TECH INC11 citations74
US6679237B1Jan 20, 2004
Ignition drive circuit
DELPHI TECH INC8 citations73
US6360706B1Mar 26, 2002
Shield and spring interface to a spark plug from a pencil coil
DELPHI TECH INC11 citations73
US6679235B1Jan 20, 2004
High power ignition system having high impedance to protect the transformer
DELPHI TECH INC11 citations72
US6520166B1Feb 18, 2003
Method of identifying engine cylinder combustion sequence based on combustion quality
DELPHI TECH INC7 citations72
US6842007B2Jan 11, 2005
Ignition coil durability testing apparatus and method
DELPHI TECH INC6 citations62
US6700470B2Mar 2, 2004
Ignition apparatus having increased leakage to charge ion sense system
DELPHI TECH INC6 citations62
US7013882B2Mar 21, 2006
Over-dwell protection circuit for an automotive ignition control system
DELPHI TECH INC3 citations61
US6948372B2Sep 27, 2005
Method of connection to a spark plug pressure sensor
DELPHI TECH INC6 citations61
US6877497B2Apr 12, 2005
Ignition coil cassette having epoxy anchored bushings
DELPHI TECH INC2 citations61
US6758200B2Jul 6, 2004
Ignition coil driver chip on printed circuit board for plughole coil housing
DELPHI TECH INC5 citations61
US6834538B2Dec 28, 2004
Spark plug mounted thick film strain gauge
DELPHI TECH INC2 citations60
US6722183B2Apr 20, 2004
System and method for impulse noise suppression for integrator-based ion current signal processor
DELPHI TECH INC2 citations60
US6679100B2Jan 20, 2004
Spark plug mounted thick film strain gauge
DELPHI TECH INC1 citations50
GEN MOTORS CORP
4 patentsUS5570016AOct 29, 1996
Method and apparatus for detecting crankshaft angular position
GEN MOTORS CORP58 citations96
US4862123AAug 29, 1989
Solenoid for electric starters
GEN MOTORS CORP20 citations79
US4481585ANov 6, 1984
System for selectively controlling motor vehicle electrical loads
GEN MOTORS CORP18 citations70
US4403121ASep 6, 1983
Remote control unit
GEN MOTORS CORP3 citations59