Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062448 | Double action check valve | Henry Hilsenbeck | 1991-11-05 |
| 4773832 | Pump | — | 1988-09-27 |
| D287731 | Turbine housing | — | 1987-01-13 |
| 4565488 | Compressor | — | 1986-01-21 |
| 4531675 | Spray nozzle | — | 1985-07-30 |
| 4530469 | Supply/shut-off valve | — | 1985-07-23 |
| 4411388 | Apparatus for conveying lightweight particulate matter | — | 1983-10-25 |