Inventor · disambiguated record
Helmut Engelhardt
Also filed as: ENGELHARDT HELMUT
14 granted patents·1 pending application·189 citations·filing 1995–2014
92Inventor score
Files withSCHAEFFLER KG4INA SCHAEFFLER KG3SCHAEFFLER WAELZLAGER OHG3SCHAEFFLER WAELZLAGER KG2BAYERISCHE MOTOREN WERKE AG1
Top patents by PatentIndex Score
15 records- 0194US5775280ASecuring device for an actuating lever in a valve control mechanism of internal combustion enginesSCHAEFFLER WAELZLAGER KG·Filed 1997·Granted Jul 7, 1998·79 cites·9 claims
- 0288US7350490B2Connection element for the captive mounting of a lever-like cam followerSCHAEFFLER KG·Filed 2005·Granted Apr 1, 2008·15 cites·3 claims
- 0386US7146950B2Connecting element for inseparable retention of a lever-type cam followerINA SCHAEFFLER KG·Filed 2005·Granted Dec 12, 2006·12 cites·11 claims
- 0482US7350489B2Finger lever of a valve train of an internal combustion engineINA SCHAEFFLER KG·Filed 2005·Granted Apr 1, 2008·10 cites·13 claims
- 0577US7721695B2Connection element for the secure fixing of a lever-type cam followerSCHAEFFLER KG·Filed 2006·Granted May 25, 2010·10 cites·5 claims
- 0664US5704319AHydraulic clearance compensation element for valve control units of internal-combustion enginesSCHAEFFLER WAELZLAGER KG·Filed 1995·Granted Jan 6, 1998·19 cites·10 claims
- 0760US6062184ARocker arm or finger lever formed by a chipless processSCHAEFFLER WAELZLAGER OHG·Filed 1996·Granted May 16, 2000·14 cites·5 claims
- 0858US6035820ARocker arm or finger lever formed by a chipless processSCHAEFFLER WAELZLAGER OHG·Filed 1999·Granted Mar 14, 2000·15 cites·4 claims
- 0952US9856762B2Variable-stroke valve train of an internal combustion engineSCHAEFFLER TECHNOLOGIES AG·Filed 2014·Granted Jan 2, 2018·0 cites·6 claims
- 1051US8328959B2Lever-type cam followerENGELHARDT HELMUT·Filed 2005·Granted Dec 11, 2012·2 cites·1 claims
- 1151US7219639B2Drag lever of a valve mechanism in an internal combustion engineINA SCHAEFFLER KG·Filed 2003·Granted May 22, 2007·6 cites·8 claims
- 1244US8025038B2Cam followerSCHAEFFLER KG·Filed 2007·Granted Sep 27, 2011·1 cites·5 claims
- 1339US2009250034A1Structural member of an internal combustion engine operated with alcoholic fuelSCHAEFFLER KG·Filed 2009·Application pending·0 cites
- 1435US6273044B1Valve actuating leverBAYERISCHE MOTOREN WERKE AG·Filed 1998·Granted Aug 14, 2001·5 cites·17 claims
- 1531US6253721B1Swivel-mounted cam follower for a valve drive of an internal combustion engineSCHAEFFLER WAELZLAGER OHG·Filed 1999·Granted Jul 3, 2001·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →