Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273581 | Testing rendering of screen objects | Ping Zou | 2025-04-08 |
| 11647249 | Testing rendering of screen objects | Ping Zou | 2023-05-09 |
| 6277273 | Floating decanter for supernatant liquid | Patrick Colahan | 2001-08-21 |
| 6251286 | Accumulating automatic skimmer | — | 2001-06-26 |
| 5948266 | Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water | James W. Ramsey, Michael David Hanrahan | 1999-09-07 |
| 5478483 | Oil spill skimmer with adjustable floating weir | — | 1995-12-26 |
| 5308510 | Oil spill skimmer and processor | — | 1994-05-03 |
| 5231938 | System for containment and handling of hazardous materials | — | 1993-08-03 |