Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157007 | Vertical gas induced flotation cell | Chang-Ming Lee | 2007-01-02 |
| 6685824 | Process for removing mercury from liquid hydrocarbons using a sulfur-containing organic compound | John Gerlach | 2004-02-03 |
| 6537443 | Process for removing mercury from liquid hydrocarbons | John Gerlach | 2003-03-25 |
| 6117333 | Removal of hydrocarbons, mercury and arsenic from oil-field produced water | John Gerlach | 2000-09-12 |
| 5378441 | Method to scavenge hydrogen sulfide from natural gas | Clifford D. Juengst | 1995-01-03 |
| 5096461 | Separable coal-oil slurries having controlled sedimentation properties suitable for transport by pipeline | Samuel Hanson | 1992-03-17 |
| 4646771 | One-step system for transforming a water-in-oil emulsion into an oil-in-water emulsion | Rama Prasad | 1987-03-03 |
| 4320241 | Process for converting oxygenated hydrocarbons into hydrocarbons | — | 1982-03-16 |
| 4308411 | Process for converting oxygenated hydrocarbons into hydrocarbons | — | 1981-12-29 |
| 4265636 | Use of formaldehyde as a chemical embrittling agent for waste | — | 1981-05-05 |
| 4189461 | Metal leaching from concentrates using nitrogen dioxide in acids | Robert E. Lueders | 1980-02-19 |