Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473474 | Method of injecting secondary air into an exhaust gas stream of a marine engine | Richard J. Waggoner, Jason C. Stimmel, Jason Vetzel, Derrick W. Lloyd | 2022-10-18 |
| 11293325 | Heat shield for a marine engine exhaust system | — | 2022-04-05 |
| 11111838 | Marine engine exhaust system having secondary air injection | Richard J. Waggoner, Jason C. Stimmel, Jason Vetzel, Derrick W. Lloyd | 2021-09-07 |
| 10914219 | Heat shield for a marine engine exhaust system | — | 2021-02-09 |
| D875633 | Bellows for marine exhaust system | — | 2020-02-18 |
| D875632 | Marine exhaust system | — | 2020-02-18 |
| 10464652 | Riser conduits having inner tube extensions for marine engine exhaust systems | Timothy G. Maher, Jason C. Stimmel | 2019-11-05 |
| 10415444 | Exhaust conduits for marine engine exhaust systems | Jason C. Stimmel, Richard J. Waggoner, Kevin J. Kimball, Rachel M. Mashburn, Timothy G. Maher | 2019-09-17 |
| D829623 | Marine exhaust system | — | 2018-10-02 |
| 9957863 | Exhaust conduits for marine engine exhaust systems | Jason C. Stimmel, Richard J. Waggoner, Kevin J. Kimball, Rachel M. Mashburn, Timothy G. Maher | 2018-05-01 |
| 9808232 | Dilation system | Stephen Heiman, Dustin M. Harvey, Corbett W. Stone, Kabir Gambhir, Benjamin Arnold +2 more | 2017-11-07 |