Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6205704 | Method and apparatus for enhancing plant growth in greenhouses utilizing landfill gas | Richard C. Schmitz, Cris Lombardi | 2001-03-27 | |
| 4547284 | Coke production | Morgan C. Sze, Thomas M. Bennett, Dennis F. Ogren, Mikio Nakaniwa, Kenji Furukawa | 1985-10-15 | $2,548,000 |
| 4405439 | Removal of quinoline insolubles from coal derived fractions | — | 1983-09-20 | |
| 4326853 | Coke production from liquid derived from sub-bituminous and/or lignitic coal | Morgan C. Sze | 1982-04-27 | |
| 4292170 | Removal of quinoline insolubles from coal derived fractions | — | 1981-09-29 | |
| 4251378 | Gravity settling | Dennis F. Ogren, William R. Adams, Harold Kohn | 1981-02-17 | |
| 4216074 | Dual delayed coking of coal liquefaction product | — | 1980-08-05 | |
| 4207168 | Treatment of pyrolysis fuel oil | — | 1980-06-10 | |
| 4196080 | Gravity settling process | Dennis F. Ogren, William R. Adams, Harold Kohn | 1980-04-01 |