Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4655043 | Turbocharger | — | 1987-04-07 |
| 4613288 | Turbocharger | — | 1986-09-23 |
| D285570 | Turbocharger | — | 1986-09-09 |
| 4515136 | Supercharged diesel engine air inflow control system | Robert L. Cholvin, James N. Nancarrow, Jack L. Gantz | 1985-05-07 |
| 4513730 | Supercharged diesel engine air inflow control system | Robert L. Cholvin, James N. Nancarrow, Jack L. Gantz | 1985-04-30 |
| 4489702 | Supercharged diesel engine air flow control system | Robert L. Cholvin, James N. Nancarrow, Jack L. Gantz | 1984-12-25 |
| 4476682 | Turbocharged internal combustion engine having an altitude compensated boost control and method for its operation | — | 1984-10-16 |
| 4463564 | Turbocharger turbine housing assembly | — | 1984-08-07 |
| 4251050 | Turbocharger control actuator | — | 1981-02-17 |