Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057573 | Ultrasonic treatment chamber for increasing the shelf life of formulations | David W. Koenig, Thomas David Ehlert, Robert Allen Janssen, Paul Warren Rasmussen, Steve Roffers +2 more | 2011-11-15 |
| 8034286 | Ultrasonic treatment system for separating compounds from aqueous effluent | Robert Allen Janssen, Earl C. McCraw, Jr., Kimberlee Thompson, John Gavin MacDonald, Thomas David Ehlert +3 more | 2011-10-11 |
| 7998322 | Ultrasonic treatment chamber having electrode properties | Robert Allen Janssen, Thomas David Ehlert, John Gavin MacDonald, Earl C. McCraw, Jr., Patrick Sean McNichols +2 more | 2011-08-16 |
| 7947184 | Treatment chamber for separating compounds from aqueous effluent | Robert Allen Janssen, Thomas David Ehlert, John Gavin MacDonald, Earl C. McCraw, Jr., Patrick Sean McNichols +2 more | 2011-05-24 |