Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6712979 | Enclosed excavator for low moisture contaminated sediment removal | Warren Chesner | 2004-03-30 | |
| 6640470 | Contaminated sediment remediation vessel | Warren Chesner | 2003-11-04 | |
| 6637135 | Contaminated sediment removal vessel | Warren Chesner | 2003-10-28 | |
| 6613232 | Mobile floating water treatment vessel | Warren Chesner | 2003-09-02 | |
| 6432303 | Contaminated sediment excavator for subsurface sediment removal | Warren Chesner | 2002-08-13 | |
| 4393934 | Conditioning a coal seam prior to in-situ gasification | Joseph G. Savins | 1983-07-19 | $13,060,000 |