Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815720 | Process for decontamination of hazardous sulfur compounds in sour water tanks | Jack G. Frost | 2017-11-14 |
| 9567242 | Process for decontamination of hazardous sulfur compounds in oilfield produced waters | Martha T. Smith | 2017-02-14 |
| 9512019 | Process for decontamination of hazardous sulfur compounds in sour water tanks | Jack G. Frost | 2016-12-06 |
| 9505641 | Process for decontamination of hazardous sulfur compounds in sour water tanks | Jack G. Frost | 2016-11-29 |
| 8993488 | Process for removal of hydrogen sulfide in downhole oilfield applications | Jack G. Frost, Martha T. Smith | 2015-03-31 |
| 8758631 | Process for decontamination of hazardous sulfur compounds in sour water tanks | Jack G. Frost | 2014-06-24 |
| RE33349 | Controlling sulfide scavenger content of drilling fluid | William E. Ellington, Henry C. Fleming, III | 1990-09-25 |
| 4840910 | Controlling sulfide scavenger content of drilling fluid | William E. Ellington, Henry C. Fleming, III | 1989-06-20 |
| 4805708 | Controlling sulfide scavenger content of oil-based drilling fluid | William E. Ellington, Henry C. Fleming, III | 1989-02-21 |
| 4658914 | Controlling sulfide scavenger content of drilling fluid | William E. Ellington, Henry C. Fleming, III | 1987-04-21 |