Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434443 | Igniter system for igniting fuel | James D. Lykowski, John W. Hoffman | 2013-05-07 |
| 8410403 | Glow plug with improved seal, heater probe assembly therefor and method of construction thereof | — | 2013-04-02 |
| 8384279 | Composite ceramic electrode and ignition device therewith | James D. Lykowski | 2013-02-26 |
| 8079136 | Method for forming layered heating element for glow plug | John W. Hoffman, James L. May | 2011-12-20 |
| 8053966 | Ceramic spark plug insulator and method of making | — | 2011-11-08 |
| 8044565 | Composite ceramic electrode and ignition device therewith | James D. Lykowski | 2011-10-25 |
| 8044561 | Ceramic electrode, ignition device therewith and methods of construction thereof | James D. Lykowski | 2011-10-25 |
| 8012898 | Ceramic with improved high temperature electrical properties for use as a spark plug insulator | John W. Hoffman | 2011-09-06 |
| 7944135 | Spark plug and methods of construction thereof | — | 2011-05-17 |
| 7858547 | Ceramic with improved high temperature electrical properties for use as a spark plug insulator | John W. Hoffman | 2010-12-28 |
| 7816845 | Ceramic electrode and ignition device therewith | — | 2010-10-19 |
| 7799717 | Spark plug having a ceramic insulator with improved high temperature electrical properties | — | 2010-09-21 |
| 7719186 | Light emitting ceramic device | Paul Valentine, Doreen Edwards, Lyle H. Slack, Wayne Douglas Brown, Cathy Osborne +2 more | 2010-05-18 |
| 7607206 | Method for forming layered heating element for glow plug | John W. Hoffman, Jim May | 2009-10-27 |
| 7598661 | Spark plug | — | 2009-10-06 |
| 7572480 | Method of fabricating a multilayer ceramic heating element | James L. May, John W. Hoffman | 2009-08-11 |
| 7517397 | Heat sensitive recording material | Jonathan Campbell, Robert M. O'Neil, Ian Street, John Whitworth | 2009-04-14 |
| 7169723 | Ceramic with improved high temperature electrical properties for use as a spark plug insulator | — | 2007-01-30 |
| 6887070 | Fired furnace operation and apparatus | Sellamuthu G. Chellappan, David L. Ramsey | 2005-05-03 |
| 6825054 | Light emitting ceramic device and method for fabricating the same | Paul Valentine, Doreen Edwards, Lyle H. Slack, Wayne Douglas Brown, Cathy Osborne +2 more | 2004-11-30 |
| 5900201 | Binder coagulation casting | Dilip K. Chatterjee, Syamal K. Ghosh, James S. Reed, Dilip H. Doshi | 1999-05-04 |
| 4838447 | Pressure relief device with conical reverse buckling disc | Karl L. Albracht | 1989-06-13 |
| 4681724 | Removable irreversibly shrinking male mandrel | Robert L. Faiz, Philip J. Ramey, Kenneth M. Adams, Nicholas P. Flonc, Dean Nguyen | 1987-07-21 |
| 4673186 | Outdoor game and apparatus | — | 1987-06-16 |
| 4548451 | Pinless connector interposer and method for making the same | Garry M. Benarr, Terry A. Burns | 1985-10-22 |