Inventor · disambiguated record
Keith A. Penney
Also filed as: PENNEY KEITH · PENNEY KEITH A · PENNEY KEITH ALLEN
7 granted patents·1 pending application·199 citations·filing 1979–2007
88Inventor score
Top patents by PatentIndex Score
8 records- 0179US5014656AInternal combustion engine having a permanent ground electrode and replaceable center electrode elementGEN MOTORS CORP·Filed 1990·Granted May 14, 1991·71 cites·11 claims
- 0272US4253931AElectrode sputtering process for exhaust gas oxygen sensorGEN MOTORS CORP·Filed 1979·Granted Mar 3, 1981·25 cites·5 claims
- 0368US4989557ASpark plug assembly for internal combustion engineGEN MOTORS CORP·Filed 1990·Granted Feb 5, 1991·34 cites·10 claims
- 0465US5527198AHigh efficiency, extended life spark plug having shaped firing tipsGEN MOTORS CORP·Filed 1995·Granted Jun 18, 1996·17 cites·13 claims
- 0562US5821676ASpark plug with grooved, tapered center electrodeGEN MOTORS CORP·Filed 1996·Granted Oct 13, 1998·20 cites·11 claims
- 0660US5856724AHigh efficiency, extended life spark plug having shaped firing tipsGEN MOTORS CORP·Filed 1994·Granted Jan 5, 1999·20 cites·6 claims
- 0746US5409388AIgnition cable assemblyGEN MOTORS CORP·Filed 1993·Granted Apr 25, 1995·12 cites·17 claims
- 0845US2008105398A1Article For Multiple Core Stacking And Method ThereofTHYSSENKRUPP WAUPACA DIVISION·Filed 2007·Application pending·0 cites
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