Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667731 | Coke cooler | Gary J. Baumgartner, Arthur J. Post, Jr. | 1987-05-26 |
| 4531539 | Control valve for flow of solids | Eric P. Ringle | 1985-07-30 |
| 4512363 | Slide valve | Davy G. Pampell, Walter J. Stinson | 1985-04-23 |
| 4477053 | Shut-off valve for high temperature erosive flow | — | 1984-10-16 |
| 4458879 | Valve | — | 1984-07-10 |
| 4331316 | Shut-off valve for high temperature erosive flow | — | 1982-05-25 |
| 4316483 | Valve having wear-prone parts removable through bonnet area | — | 1982-02-23 |