Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989171 | Wireless audio transmission system and method | Willem Zwart, Dignus-Jan Moelker, Robert Niels Schutten, Robertus Cornelis Wilhelmus Lansbergen, Maarten Coenen | 2015-03-24 |
| 7416660 | Bypass flow and ozone proportion method and system | Michael Jennings, Richard A. Mueller, Jack H. Robinson | 2008-08-26 |
| 7407592 | Ozone retention method and system | Michael Jennings, Richard A. Mueller, Jack H. Robinson | 2008-08-05 |
| 7402253 | Controlled bypass flow and ozone proportion method and system | Michael Jennings, Richard A. Mueller, Jack H. Robinson | 2008-07-22 |
| 7381338 | Ballast water treatment system and method without off-gas | Michael Jennings, Richard A. Mueller, Jack H. Robinson | 2008-06-03 |
| 4470903 | Apparatus for the flotation of flocculated solid material in a liquid | — | 1984-09-11 |
| 4390430 | Apparatus for scraping sludge from the surface of a body of liquid | — | 1983-06-28 |