Inventor · disambiguated record
Kai Lehmann
Also filed as: LEHMANN KAI
16 granted patents·5 pending applications·309 citations·filing 1975–2014
93Inventor score
Top patents by PatentIndex Score
21 records- 0196US6164248AControl device for the coolant and heating circulation circuit of an internal combustion engineDAIMLER CHRYSLER AG·Filed 1999·Granted Dec 26, 2000·88 cites·8 claims
- 0292US6371060B1Control device for the cooling and heating circuit of an internal combustion engineDAIMLER CHRYSLER AG·Filed 2000·Granted Apr 16, 2002·58 cites·36 claims
- 0390US7025023B2Hydraulic camshaft adjuster for an internal combustion engineDAIMLER CHRYSLER AG·Filed 2004·Granted Apr 11, 2006·41 cites·10 claims
- 0488US6971353B2Camshaft adjustment control deviceDAIMLER CHRYSLER AG·Filed 2004·Granted Dec 6, 2005·39 cites·7 claims
- 0570US6257177B1Water pump for the cooling circuit of an internal combustion engineDAIMLER CHRYSLER AG·Filed 1999·Granted Jul 10, 2001·34 cites·17 claims
- 0669US7234427B2Locking device for a camshaft adjusterDAIMLER CHRYSLER AG·Filed 2005·Granted Jun 26, 2007·6 cites·9 claims
- 0763US9404396B2Motor vehicle valve train adjustment deviceEPPINGER MATTHIAS·Filed 2014·Granted Aug 2, 2016·2 cites·8 claims
- 0861US9631523B2Internal combustion engine valve train adjustment deviceDAIMLER AG·Filed 2013·Granted Apr 25, 2017·1 cites·14 claims
- 0961US7661397B2Hydraulic camshaft adjuster and method for assembling the sameDAIMLER AG·Filed 2006·Granted Feb 16, 2010·4 cites·14 claims
- 1060US7305947B2Sealing element and pivoting motorDAIMLER CHRYSLER AG·Filed 2005·Granted Dec 11, 2007·2 cites·13 claims
- 1158US6912982B2Device for changing the angle of rotation of a camshaft relative to a drive wheel of an internal combustion engineDAIMLER CHRYSLER AG·Filed 2004·Granted Jul 5, 2005·7 cites·1 claims
- 1257US7004130B2Camshaft adjuster for an internal combustion engine having hydraulic medium guidesDAIMLER CHRYSLER AG·Filed 2004·Granted Feb 28, 2006·7 cites·30 claims
- 1357US3999422AUltrasonic test method and apparatus for testing thick-walled workpiecesKRAUTKRAMER BRANSON·Filed 1975·Granted Dec 28, 1976·12 cites·12 claims
- 1453US7237517B2Camshaft adjuster of an internal combustion engineDAIMLER CHRYSLER AG·Filed 2005·Granted Jul 3, 2007·1 cites·19 claims
- 1549US6526929B2Device for relative angular adjustment between two drive-connected elements rotating at the same rotational speedDAIMLER CHRYSLER AG·Filed 2001·Granted Mar 4, 2003·3 cites·13 claims
- 1647US6688265B2Camshaft adjustment device for an internal combustion engineDAIMLER CHRYSLER AG·Filed 2002·Granted Feb 10, 2004·4 cites·10 claims
- 1734US2001042525A1Control arrangement for a cooling circuit of an internal combustion engineFiled 2001·Application pending·0 cites
- 1833US2003145816A1Device for controlling the relative rotary position between a crankshaft and a camshaftFiled 2003·Application pending·0 cites
- 1933US2004177819A1Device for changing the angle of rotation of a camshaft relative to a drive wheel of an internal combustion engineFiled 2004·Application pending·0 cites
- 2032US2005051123A1Camshaft adjuster for an internal combustion engineFiled 2004·Application pending·0 cites
- 2130US2005056249A1Camshaft adjustment control deviceFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →