Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305583 | Method and apparatus for using biofuels in engines having emission control systems | Colin N. Huwyler, Kevin Smyth | 2025-05-20 |
| 10385812 | Method and apparatus for modifying an OEM fuel system for bi-fuel use | Colin N. Huwyler, Aaron R. Sieczkarek | 2019-08-20 |
| 10202950 | Temperature varying circulation system for use with alternative fuels | Colin N. Huwyler | 2019-02-12 |
| 10119506 | Method and apparatus for modifying an OEM fuel system for bi-fuel use | Colin N. Huwyler, Aaron R. Sieczkarek | 2018-11-06 |