Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12067817 | Ignition coil for internal combustion engine | Daniel Roche | 2024-08-20 |
| 11111861 | Engine speed control system | Zach Dlugi, Aaron Halfmann, David Roth | 2021-09-07 |
| 9945326 | Automatic choking mechanism for internal combustion engines | Aaron Halfmann, Matthew Martinek | 2018-04-17 |
| 7628387 | Engine air/fuel mixing apparatus | Max W. Clouse, Aaron Halfmann, David Roth, James J. Dehn, Donald Szopinski +3 more | 2009-12-08 |
| RE40548 | Engine oil heater | Stephen J. Ryczek, James D. Makiya, William M. Kindness | 2008-10-28 |
| 7389853 | Muffler for an engine | Stephen J. Ryczek, James D. Makiya, William M. Kindness | 2008-06-24 |
| D536004 | Portion of a horizontal-shaft engine | Stephen J. Ryczek, James D. Makiya, William M. Kindness | 2007-01-30 |
| D529924 | Cover for a vertical shafted engine | Stephen J. Ryczek, James D. Makiya, William M. Kindness | 2006-10-10 |
| 7104233 | Engine oil heater | Stephen J. Ryczek, James D. Makiya, William M. Kindness | 2006-09-12 |