Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877497 | Ignition coil cassette having epoxy anchored bushings | Kenneth Senseman, Colin Hamer, Raymond O. Butler, Jr. | 2005-04-12 |
| 6845764 | Ignition apparatus with secondary winding having reduced breakdown failures | Viorel Moga, Brian Dewayne Lively | 2005-01-25 |
| 6834644 | Circular ignition coil assembly | John Hazelwood, Thomas B. Bennett, III | 2004-12-28 |
| 6758200 | Ignition coil driver chip on printed circuit board for plughole coil housing | Diane Hageman, Raymond O. Butler, Jr. | 2004-07-06 |
| 6700470 | Ignition apparatus having increased leakage to charge ion sense system | Raymond O. Butler, Jr., Mark Albert Paul | 2004-03-02 |
| 6679237 | Ignition drive circuit | Ronald J. Kiess, Raymond O. Butler, Jr. | 2004-01-20 |
| 6679236 | Ignition system having a high resistivity core | James A. Boyer, Raymond O. Butler, Jr. | 2004-01-20 |
| 6679235 | High power ignition system having high impedance to protect the transformer | Raymond O. Butler, Jr., Brian Dewayne Lively | 2004-01-20 |
| 6666196 | Ignition system having improved spark-on-make blocking diode implementation | Douglas L. Sprunger | 2003-12-23 |
| 6622711 | Ignition coil cassette assembly | Raymond O. Butler, Jr., Douglas L. Sprunger | 2003-09-23 |
| 6556116 | Erosion resistant pencil coil having external secondary winding and shield | Kenneth Senseman, James A. Boyer, David D. Jackson, Jr., Viorel Moga, Mark Albert Paul | 2003-04-29 |
| 6556118 | Separate mount ignition coil utilizing a progressive wound secondary winding | — | 2003-04-29 |
| 6522232 | Ignition apparatus having reduced electric field HV terminal arrangement | Mark Albert Paul, Harry Levers | 2003-02-18 |
| 6463918 | Ignition apparatus having an electrically floating shield | Viorel Moga, Steve T Kowalke | 2002-10-15 |
| 6463919 | Ignition coil with polyimide case and/or secondary spool | Colin Hamer, Mark Albert Paul, David D. Jackson, Jr. | 2002-10-15 |
| 6437674 | Ignition apparatus having built-in noise suppression | Colin Hamer, Klaus Gernert | 2002-08-20 |
| 6360706 | Shield and spring interface to a spark plug from a pencil coil | Raymond O. Butler, Jr., Viorel Moga | 2002-03-26 |
| 6276348 | Ignition coil assembly with spool having ramps at both ends thereof | Viorel Moga, Antony V. Hirudayaraj, Norman H. Bracken | 2001-08-21 |
| 6232863 | Spool assembly for an ignition coil | Mark Albert Paul, Viorel Moga, Paul G. Knight | 2001-05-15 |
| 6216679 | Ignition coil for an internal combustion engine | James A. Boyer, Dwayne Allen Huntzinger | 2001-04-17 |
| 6188304 | Ignition coil with microencapsulated magnets | David Allen Score | 2001-02-13 |
| 6186130 | Multicharge implementation to maximize rate of energy delivery to a spark plug gap | Raymond O. Butler, Jr. | 2001-02-13 |
| 6156264 | Electromagnetic compacting of powder metal for ignition core application | Ralph Johnston, David Allen Score, David E. Gay | 2000-12-05 |
| 5886476 | Method and apparatus for producing electrical discharges | Douglas L. Sprunger, Scott Ray Hummel | 1999-03-23 |
| 5706792 | Integrated ignition coil and spark plug | James A. Boyer, Dwayne Allen Huntzinger, Harry Levers, Richard Laurence Haisley, Raymond O. Butler, Jr. | 1998-01-13 |