Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12110452 | Use of carbon monoxide and light hydrocarbons in oil reservoirs | — | 2024-10-08 |
| 11982165 | System and method for enhanced petroleum product recovery | Frank Bannister, William Hodges, Fred Varani | 2024-05-14 |
| 11534393 | Compositions having ginger-curcumin and certain additives | Joyce A. Trost | 2022-12-27 |
| 10876384 | Methods of utilizing carbon monoxide to increase oil recovery and protect tubulars | — | 2020-12-29 |
| 10653617 | Compositions of additives to ginger-curcumin to facilitate growth of fibroblasts and collagen | Joyce A. Trost | 2020-05-19 |
| 10316631 | Methods of utilizing carbon monoxide to increase oil recovery | — | 2019-06-11 |
| 9951594 | Method of utilizing carbon monoxide to increase oil recovery | — | 2018-04-24 |
| 9630144 | Dry chemical scrubber with pH adjustment | John Jenkins, Frederick T. Varani, Thomas A. Jones, Aaron F. Primmer, Nathan A. Emsick | 2017-04-25 |
| 8708663 | Fugitive gas capture | Frederick T. Varani | 2014-04-29 |
| 8206124 | Oil-gas vapor collection, storage, and recovery system using a variable volume gas bag connected with a control switch | Frederick T. Varani | 2012-06-26 |
| 6361694 | Enhanced biomass digestion through intermittent injection of propane | — | 2002-03-26 |
| 5651890 | Use of propane as stripper gas in anaerobic digestion of wastewaters | — | 1997-07-29 |
| 5008019 | Decontamination of earth formations | — | 1991-04-16 |
| 4783263 | Detoxification process | Robert Richard | 1988-11-08 |