Inventor
JANSSEN DAVID C
US19 patents
⚠️ This page may combine multiple inventors who share the name “JANSSEN DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STRATTEC SECURITY CORP
15 patentsUS5433096AJul 18, 1995
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP146 citations97
US5836187ANov 17, 1998
Tumberless automobile ignition lock
STRATTEC SECURITY CORP83 citations95
US6276179B1Aug 21, 2001
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP40 citations94
US6035677AMar 14, 2000
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP53 citations94
US7140213B2Nov 28, 2006
Steering column lock apparatus and method
STRATTEC SECURITY CORP108 citations93
US6948344B2Sep 27, 2005
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP21 citations92
US6427504B1Aug 6, 2002
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP69 citations92
US6617961B1Sep 9, 2003
Security system for a vehicle and method of operating same
STRATTEC SECURITY CORP146 citations91
US6367299B1Apr 9, 2002
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP16 citations91
US5611225AMar 18, 1997
Breakaway cylinder head
STRATTEC SECURITY CORP41 citations89
US6367298B1Apr 9, 2002
Key assembly for vehicle ignition locks
STRATTEC SECURITY CORP28 citations88
US6958551B2Oct 25, 2005
Vehicle coded ignition lock using a magnetic sensor
STRATTEC SECURITY CORP13 citations84
US7501595B2Mar 10, 2009
Self-compensating motion detector
STRATTEC SECURITY CORP10 citations79
US5455571AOct 3, 1995
Fail safe system for a mechanical lock key set with electronic interlock
STRATTEC SECURITY CORP13 citations74
US5659279AAug 19, 1997
Magnetizer holding fixture
STRATTEC SECURITY CORP13 citations70
BRIGGS & STRATTON CORP
4 patentsUS5186031AFeb 16, 1993
Self-destruct electrical interlock for cylinder lock and key set
BRIGGS & STRATTON CORP45 citations92
US5551267ASep 3, 1996
Anti-magnetic tampering system for automobile ignition lock
BRIGGS & STRATTON CORP21 citations89
US5287098AFeb 15, 1994
Fail safe system for a mechanical lock and key set with electrical interlock
BRIGGS & STRATTON CORP14 citations74
US5398532AMar 21, 1995
Modular wiring harness for electronic vehicle ignition lock
BRIGGS & STRATTON CORP19 citations67