Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992112 | Fouling resistant spark plugs | Jing Zheng, Ronald P. Rohrbach, Peter D. Unger | 2021-04-27 |
| 9548591 | Spark plug insulator having an anti-fouling coating and methods for minimizing fouling | Jing Zheng, Prabhu Megharaj, Philip P. Treier | 2017-01-17 |
| 9350143 | Anti-fouling spark plug and method of making | Peter D. Unger, Ronald P. Rohrbach, Jing Zheng | 2016-05-24 |
| 9337627 | Method of applying a coating to a spark plug insulator | Jing Zheng, Prabhu Megharaj | 2016-05-10 |
| 9178336 | Spark plug | Jing Zheng | 2015-11-03 |
| 8981632 | Anti-fouling spark plug and method of making | Peter D. Unger, Ronald P. Rohrbach, Jing Zheng | 2015-03-17 |
| 8963406 | Spark plug | Jing Zheng | 2015-02-24 |
| 8791626 | Spark plug with ring member coupled to center electrode thereof | Matthew B. Below, Jerry Williams Reeves, Jr., Philip P. Treier | 2014-07-29 |
| 8766520 | Spark plug with ground electrode plateau and method of making the same | Matthew B. Below, Jerry Williams Reeves, Jr., Ovidio Bocanegra, Jayme R. Eastman, Timothy M. Frech | 2014-07-01 |
| 8729784 | Fouling resistant spark plug | Ronald P. Rohrbach, Peter D. Unger, Jing Zheng | 2014-05-20 |
| 8715025 | Laser welded spark plug electrode and method of forming the same | Jayme R. Eastman, Matthew B. Below | 2014-05-06 |
| 8460044 | Spark plug electrode and method of making | Matthew B. Below, Jonathon Barricklow | 2013-06-11 |
| 8350454 | Iridium alloy for spark plug electrodes | Eric Passman, Edgar Arnold Leone | 2013-01-08 |
| 8348709 | Method of making a spark plug | Eric Passman, Martin C. Baker | 2013-01-08 |
| 8337269 | Method of manufacturing a spark plug having a platinum alloy electrode | Eric Passman | 2012-12-25 |
| 8294343 | Method of producing a spark plug via flared tip attachment | Eric Passman, Matthew B. Below | 2012-10-23 |
| 8106573 | Platinum alloy for spark plug electrodes and spark plug having a platinum alloy electrode | Eric Passman | 2012-01-31 |
| 8058785 | Spark plug structure for improved ignitability | Matthew B. Below | 2011-11-15 |
| 8053965 | Combination igniter and sensor for an internal combustion engine | Matthew B. Below, Edward VanDyne | 2011-11-08 |
| 8037738 | Particulate matter sensor | Matthew B. Below, Palani Thanigachalam, Ashutosh Pandey, Jim Cook, Tim Erickson +2 more | 2011-10-18 |
| 8030830 | Iridium alloy for spark plug electrodes | Eric Passman, Edgar Arnold Leone | 2011-10-04 |
| 7719172 | Platinum-based alloy for spark plug electrodes incorporating palladium and iridium | Eric Passman | 2010-05-18 |
| 6533629 | Spark plug including a wear-resistant electrode tip made from a co-extruded composite material, and method of making same | Gary B. Zulauf | 2003-03-18 |
| 6452314 | Spark plug having a protective titanium thereon, and methods of making the same | — | 2002-09-17 |
| 6406345 | Spark plug shell having a bimetallic ground electrode, spark plug incorporating the shell, and method of making same | Gary B. Zulauf | 2002-06-18 |