Inventor · disambiguated record
Donald W. Harnack
Also filed as: HARNACK DONALD W
3 granted patents·82 citations·filing 1992–2008
74Inventor score
Top patents by PatentIndex Score
3 records- 0184US6755078B2Methods and apparatus for estimating the temperature of an exhaust gas recirculation valve coilGEN MOTORS CORP·Filed 2003·Granted Jun 29, 2004·28 cites·19 claims
- 0282US5213178ATraction control system with fuel and spark controlGEN MOTORS CORP·Filed 1992·Granted May 25, 1993·47 cites·3 claims
- 0358US8056538B2Method and system to prevent unauthorized uses of engine controllersHARNACK DONALD W·Filed 2008·Granted Nov 15, 2011·7 cites·20 claims
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