Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078137 | Injector sleeve having inner groove | Curtis J. Graham | 2024-09-03 |
| 11313260 | Engine having cylinder block casting with oil spray jet gallery and oil admission valve for selective oil jet spraying to cylinders | Allen Yao Chen, Samuel Jaroslav Stafl, Chad Koci, Thomas L. Atwell | 2022-04-26 |
| D770536 | Valve cover | Adrian Porojan, Terril Johnson, Pravin B. Sondkar, Siva Naga Prasad Nalam Satyavara | 2016-11-01 |
| D732082 | Valve cover with breather tube | Adrian Porojan, Jason Rex Dare, Terril Johnson, Seth Evan Slaughter, Pravin B. Sondkar | 2015-06-16 |
| D732083 | Valve cover | Adrian Porojan, Terril Johnson, Pravin B. Sondkar, Siva Naga Prasad Nalam Satyavara | 2015-06-16 |