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| Number | Title | Issue Date |
| 7021275 | Igniter for internal combustion engines operating over a wide range of air fuel ratios An igniter for ignition over a wide air/fuel ratio range. Igniter includes an igniter body including an internal cavity disposed substantially within the igniter body, an internal spark gap disposed substantially within the internal cavity, an external spark gap dis... | 04/04/2006 |
| 6611083 | Torch jet spark plug electrode The torch jet spark plug comprises a shell with an insulator body concentrically disposed within at least a portion of the shell. A pre-chamber is concentrically disposed within at least a portion of the shell and at least a portion of the insulator body,... | 08/26/2003 |
| 6557508 | Robust torch jet spark plug electrode A composition for forming an electrode for use in a torch jet spark plug is provided. The composition comprises a ceramic material, ceramic particles, and an electrically conductive material. The ceramic particles are dispersed within the ceramic material... | 05/06/2003 |
| 6359377 | Spark plug with engine cylinder pressure sensor A pressure-sensing ignition device (10) for use in a spark ignition system of an internal combustion engine. The device (10) generally includes a body (14) having a longitudinal axis of symmetry and an internal chamber (12). Disposed in the chamber (12) a... | 03/19/2002 |
