Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291091 | User-scalable power unit including removable battery packs | Jeffrey M. Zeiler, Robert Koenen, Jacob Schmalz, Albert Liu, Nick Zeidler +1 more | 2025-05-06 |
| 11913417 | Internal combustion engine with electric starting system | Mark Meyer | 2024-02-27 |
| 11820218 | User-scalable power unit including removable battery packs | Jeffrey M. Zeiler, Robert Koenen, Jacob Schmalz, Albert Liu, Nick Zeidler +1 more | 2023-11-21 |
| 11642952 | User-scalable power unit including removable battery packs | Jeffrey M. Zeiler, Robert Koenen, Jacob Schmalz, Albert Liu, Nick Zeidler +1 more | 2023-05-09 |
| 11639681 | Internal combustion engine with electric starting system | Mark Meyer, James Michael Busse | 2023-05-02 |
| 11610464 | Portable generator including carbon monoxide detector | Ryan D. Janscha, Brandon Nigh, Mark Willer | 2023-03-21 |
| 11591984 | Engine with control unit for lean burn operation | Jacob Zuehl | 2023-02-28 |
| 11578689 | Internal combustion engine with electric starting system | Mark Meyer | 2023-02-14 |
| 11477939 | Mower deck insert | Jeffrey M. Zeiler, Kenneth W. Derra, Scott Funke, Rodney Balzar | 2022-10-25 |
| 11408326 | Internal combustion engine with electric starting system | Mark Meyer, James Michael Busse | 2022-08-09 |
| 11371461 | Engine with control unit for lean burn operation | Jacob Zuehl | 2022-06-28 |
| 11085412 | Internal combustion engine with electric starting system | Mark Meyer | 2021-08-10 |
| 11002234 | Fuel delivery injector | Michael Pitcel, Jacob Zuehl, David A. Kratz | 2021-05-11 |
| 10677205 | Fuel delivery injector | Michael Pitcel, Jacob Zuehl, David A. Kratz | 2020-06-09 |
| 10539112 | Internal combustion engine with electric starting system | Mark Meyer | 2020-01-21 |
| 10475319 | Portable generator including carbon monoxide detector | Ryan D. Janscha, Brandon Nigh, Mark Willer | 2019-11-12 |
| 10319207 | Portable generator including carbon monoxide detector | Ryan D. Janscha, Brandon Nigh, Mark Willer | 2019-06-11 |
| 10197025 | Fuel delivery injector | Michael Pitcel, Jacob Zuehl, David A. Kratz | 2019-02-05 |
| 9945281 | Cooling system for air-cooled engines | Michael Pitcel, Jacob Zuehl | 2018-04-17 |
| 9828966 | Lawn mower starter system | Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers | 2017-11-28 |
| 9759175 | Starter system for an engine | Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers | 2017-09-12 |
| 9267482 | Starter system for an engine | Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers | 2016-02-23 |
| 9220192 | Lawn mower starter system | Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers | 2015-12-29 |
| 8863485 | Hybrid lawn mower drive system | Michael Pitcel, William Latus, Robert Koenen, Jeffrey Berger, Jason D. Elvers | 2014-10-21 |
| 8857138 | Starter system for an engine | Jason A. Hansen, Robert Koenen, Stephen J. Lavender, Jason D. Elvers | 2014-10-14 |