Inventor · disambiguated record
David C. Janssen
Also filed as: JANSSEN DAVID · JANSSEN DAVID C
22 granted patents·2 pending applications·934 citations·filing 1990–2021
97Inventor score
Files withSTRATTEC SECURITY CORP15BRIGGS & STRATTON CORP4SAINT GOBAIN2BRIGGS & STRATTON1JANSSEN DAVID1
Top patents by PatentIndex Score
24 records- 0196US5433096AKey assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1993·Granted Jul 18, 1995·146 cites·1 claims
- 0294US7140213B2Steering column lock apparatus and methodSTRATTEC SECURITY CORP·Filed 2004·Granted Nov 28, 2006·108 cites·18 claims
- 0391US5836187ATumberless automobile ignition lockSTRATTEC SECURITY CORP·Filed 1996·Granted Nov 17, 1998·83 cites·2 claims
- 0480US6035677AKey assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1995·Granted Mar 14, 2000·53 cites·6 claims
- 0577US6276179B1Key assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1999·Granted Aug 21, 2001·40 cites·2 claims
- 0677US5186031ASelf-destruct electrical interlock for cylinder lock and key setBRIGGS & STRATTON CORP·Filed 1991·Granted Feb 16, 1993·45 cites·18 claims
- 0775US6948344B2Key assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 2002·Granted Sep 27, 2005·21 cites·9 claims
- 0875US6367298B1Key assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1998·Granted Apr 9, 2002·28 cites·16 claims
- 0974US8883277B2Multiple glazing unit incorporating at least one antireflection film and use of an antireflection film in a multiple glazing unitJANSSEN DAVID·Filed 2009·Granted Nov 11, 2014·9 cites·19 claims
- 1072US6617961B1Security system for a vehicle and method of operating sameSTRATTEC SECURITY CORP·Filed 1999·Granted Sep 9, 2003·146 cites·27 claims
- 1171US7501595B2Self-compensating motion detectorSTRATTEC SECURITY CORP·Filed 2005·Granted Mar 10, 2009·10 cites·69 claims
- 1271US5611225ABreakaway cylinder headSTRATTEC SECURITY CORP·Filed 1995·Granted Mar 18, 1997·41 cites·27 claims
- 1365US6958551B2Vehicle coded ignition lock using a magnetic sensorSTRATTEC SECURITY CORP·Filed 2002·Granted Oct 25, 2005·13 cites·45 claims
- 1465US5202580AAnti-tampering magnet for automobile ignition lockBRIGGS & STRATTON·Filed 1990·Granted Apr 13, 1993·26 cites·6 claims
- 1561US6427504B1Key assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1998·Granted Aug 6, 2002·69 cites·18 claims
- 1661US5551267AAnti-magnetic tampering system for automobile ignition lockBRIGGS & STRATTON CORP·Filed 1994·Granted Sep 3, 1996·21 cites·7 claims
- 1758US6367299B1Key assembly for vehicle ignition locksSTRATTEC SECURITY CORP·Filed 1999·Granted Apr 9, 2002·16 cites·13 claims
- 1853US5398532AModular wiring harness for electronic vehicle ignition lockBRIGGS & STRATTON CORP·Filed 1993·Granted Mar 21, 1995·19 cites·19 claims
- 1952US5287098AFail safe system for a mechanical lock and key set with electrical interlockBRIGGS & STRATTON CORP·Filed 1992·Granted Feb 15, 1994·14 cites·10 claims
- 2051US2023068744A1Spacer comprising an interrupted adhesive layerSAINT GOBAIN·Filed 2021·Application pending·0 cites
- 2148US12065873B2Spacer having improved adhesionSAINT GOBAIN·Filed 2021·Granted Aug 20, 2024·0 cites·23 claims
- 2246US5659279AMagnetizer holding fixtureSTRATTEC SECURITY CORP·Filed 1995·Granted Aug 19, 1997·13 cites·22 claims
- 2337US5455571AFail safe system for a mechanical lock key set with electronic interlockSTRATTEC SECURITY CORP·Filed 1994·Granted Oct 3, 1995·13 cites·14 claims
- 2437US2011305899A1Method for producing a reflection-reduced paneNEANDER MARCUS·Filed 2010·Application pending·0 cites
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