Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683227 | Resource recovery of waste organic chemicals by thermal catalytic conversion | James C. Holste, Dawid J. Duvenhage | 2004-01-27 |
| 6471914 | Method for supercritical treatment of liquids and slurries | N. Wayne Walkup, Howard L. Grimmett | 2002-10-29 |
| 6162392 | Method and apparatus for super critical treatment of liquids | N. Wayne Walkup, Howard L. Grimmett | 2000-12-19 |
| 6004508 | Method and apparatus for super critical treatment of liquids | N. Wayne Walkup, Howard L. Grimmett | 1999-12-21 |
| 5504267 | Resource recovery by catalytic conversion of polymers | — | 1996-04-02 |
| 5264640 | Depolymerization method for resource recovery from polymeric wastes | — | 1993-11-23 |
| 5143705 | Method and apparatus for gas phase polymerization of olefins in vertically stacked reactors | — | 1992-09-01 |
| 5034195 | Apparatus for gas phase polymerization of olefins in vertically stacked reactors | — | 1991-07-23 |
| 4332846 | Can cover | Joseph Fischer | 1982-06-01 |