Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838056 | Using carbon dioxide regulators to extend the shelf life of a carbonated beverage | Francis M. Schloss, Matthew A. Kulzick | 2010-11-23 |
| 6844418 | Waste plastic additive for asphalt | Ashok S. Muzumdar, Arun K. Singhania, April J. Swanson | 2005-01-18 |
| 5929255 | Process for coproducing fumaric acid and maleic anhydride | — | 1999-07-27 |
| 5626741 | Catalytic cracking with quenching | James F. Mosby, F. William Hauschildt, George P. Quinn, Douglas N. Rundell, John G. Schwartz +1 more | 1997-05-06 |
| 5279727 | Open-bottomed cyclone with solids separation tube and method | John J. Helstrom | 1994-01-18 |
| 5262046 | In-line cyclone separator and method of solid/gas separation | Mark S. Camp | 1993-11-16 |
| 5089235 | Catalytic cracking unit with external cyclone and oil quench system | John G. Schwartz, F. William Hauschildt, George E. Quinn | 1992-02-18 |
| 5087427 | Catalytic cracking unit with internal gross cut separator and quench injector | George P. Quinn, Larry W. Kruse, Thomas Gebhard | 1992-02-11 |
| 5059303 | Oil stabilization | James L. Taylor, Albert L. Hensley, Jr., David F. Tatterson | 1991-10-22 |
| 5043058 | Quenching downstream of an external vapor catalyst separator | F. William Hauschildt, George P. Quinn, Douglas N. Rundell, John G. Schwartz, Mark S. Camp | 1991-08-27 |
| 4786368 | Static mixer retorting of oil shale | Earl D. York, Jay C. Knepper | 1988-11-22 |
| 4721560 | Static mixer retorting of oil shale | Earl D. York, Jay C. Knepper | 1988-01-26 |
| 4637464 | In situ retorting of oil shale with pulsed water purge | George R. Hoekstra | 1987-01-20 |
| 4597852 | Static mixer retorting of oil shale | Earl D. York, Jay C. Knepper | 1986-07-01 |
| 4552214 | Pulsed in situ retorting in an array of oil shale retorts | George R. Hoekstra | 1985-11-12 |
| 4532991 | Pulsed retorting with continuous shale oil upgrading | George R. Hoekstra | 1985-08-06 |
| 4457374 | Transient response process for detecting in situ retorting conditions | George R. Hoekstra | 1984-07-03 |
| 4436344 | In situ retorting of oil shale with pulsed combustion | Gerald B. Hoekstra, deceased | 1984-03-13 |
| 4326944 | Rapid hydropyrolysis of carbonaceous solids | James S. Meyer, Ken K. Robinson, David F. Tatterson | 1982-04-27 |