Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10646819 | Absorber | William Hargrove, Leonard Pecos, Craig Dugan, Bobby Liu Zhenshuo | 2020-05-12 |
| 9545598 | Absorber | Craig Dugan, William Hargrove, Bobby Liu Zhenshuo | 2017-01-17 |
| 7854791 | Method and means for simultaneously generating an aqueous froth and numerous micro-droplets for use in filtering a contaminated air stream | — | 2010-12-21 |
| 6872240 | Method and apparatus for filtering an air stream using an aqueous-froth together with nucleation | — | 2005-03-29 |
| 6712680 | Vacuum sanding pole with actuated hose junction | — | 2004-03-30 |
| 6616733 | Method and means for filtering an air stream with an aqueous froth | — | 2003-09-09 |