Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8274203 | Electrode material for a spark plug | Shuwei Ma | 2012-09-25 |
| 8151781 | Flexible ignitor assembly for air/fuel mixture and method of construction thereof | Keith Hampton | 2012-04-10 |
| 8044561 | Ceramic electrode, ignition device therewith and methods of construction thereof | William J. Walker, Jr. | 2011-10-25 |
| 8044565 | Composite ceramic electrode and ignition device therewith | William J. Walker, Jr. | 2011-10-25 |
| 7969078 | Spark ignition device for an internal combustion engine and sparking tip therefor | — | 2011-06-28 |
| 7948159 | Spark plug with multi-layer firing tip | — | 2011-05-24 |
| 7866294 | Electrode for an ignition device | Iryna Levina | 2011-01-11 |
| 7823556 | Electrode for an ignition device | Iryna Levina | 2010-11-02 |
| 7707985 | Electrode for an ignition device | Iryna Levina | 2010-05-04 |
| 7671521 | Spark plug with multi-layer firing tip | — | 2010-03-02 |
| 7588021 | Spark plug circuit | — | 2009-09-15 |
| 7589460 | Small diameter/long reach spark plug with rimmed hemispherical sparking tip | — | 2009-09-15 |
| 7581304 | Method of forming a spark plug with multi-layer firing tip | — | 2009-09-01 |
| 7573185 | Small diameter/long reach spark plug with improved insulator design | — | 2009-08-11 |
| 7569979 | Spark plug having spark portion provided with a base material and a protective material | Iryna Levina | 2009-08-04 |
| 7521850 | Spark plug with multi-layer firing tip | — | 2009-04-21 |
| 7508121 | Small diameter/long reach spark plug | — | 2009-03-24 |
| 7443088 | Coaxial twin spark plug | — | 2008-10-28 |
| 7443089 | Spark plug with tapered fired-in suppressor seal | John W. Hoffman | 2008-10-28 |
| 7385339 | Ignition device having a reflowed firing tip and method of making | Warran Boyd Lineton, Karina Havard | 2008-06-10 |
| 7053623 | Spark ignition system with diagnostic capabilities | Mark S. McMurray | 2006-05-30 |
| 7049733 | Spark plug center electrode assembly | Darren C. Downs | 2006-05-23 |
| 6494193 | Engine cover with integrated ignition system | Juergen Weingaertner | 2002-12-17 |
| 6412465 | Ignition device having a firing tip formed from a yttrium-stabilized platinum-tungsten alloy | Kenneth R. Heuker | 2002-07-02 |
| 6094990 | Spark plug with concentric pressure sensor | Robert Scott Ingham, Thomas Schuster | 2000-08-01 |