Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143149 | Cobra head air intake ports | Robert G. Sperry, Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni | 2021-10-12 |
| 11098681 | Cobra head air intake ports and intake manifolds | Robert G. Sperry, Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni | 2021-08-24 |
| 10113521 | Air intake system for internal combustion engine | Axel Zur Loye, Joseph Scot Roederer, Steven L. Leffler, John A. Rennekamp, Amit Kulkarni +2 more | 2018-10-30 |