Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8739818 | Control valve with single set of orifices | — | 2014-06-03 |
| 5365978 | Top entry flow control valve with two sets of orifices | — | 1994-11-22 |
| 5346676 | Apparatus of alkylation using alkanes and olefins | Clifford S. Crossland, Alan A. Johnson, Elliot G. Pitt | 1994-09-13 |
| 5217046 | Top entry flow control valve with two sets of orifices | — | 1993-06-08 |
| 5190560 | Instrument for ligation and castration | Wayne Porter | 1993-03-02 |
| 5190904 | Paraffin alkylation catalyst | Clifford S. Crossland, Alan A. Johnson, Elliot G. Pitt | 1993-03-02 |
| 5157196 | Paraffin alkylation process | Clifford S. Crossland, Alan A. Johnson, Elliot G. Pitt | 1992-10-20 |