Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906225 | Orifice tube type refrigerant expansion valve assembly with combined particulate and noise attenuation filters | James C. Ostrand, George Richard Kubasinski | 1999-05-25 |
| 4531363 | Diesel exhaust cleaner with alternating glow plug burner system | Otto A. Ludecke | 1985-07-30 |
| 4503672 | Diesel exhaust cleaner with glow plug igniters and flow limiting valve | Otto A. Ludecke | 1985-03-12 |
| 4502278 | Diesel exhaust cleaner and burner system with multi-point igniters | — | 1985-03-05 |
| 4481767 | Diesel exhaust cleaner and burner system with flame distributor | — | 1984-11-13 |
| 4381643 | Diesel exhaust cleaner and burner system with constant burner air mixture supply | — | 1983-05-03 |
| 4373330 | Diesel engine dual path exhaust cleaner and burner system | — | 1983-02-15 |
| 4209209 | Fabricated engine main bearing caps | — | 1980-06-24 |