Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8382915 | Concrete mixer drum cleaner | — | 2013-02-26 |
| 6413323 | Method of operating a movable base having rotatable supplies of pressurized fluid and a vacuum source | Matthew O. Herhold | 2002-07-02 |
| 6189177 | Rotating fluid jet cleaning system for vertical walls | Matthew O. Herhold | 2001-02-20 |
| 6081960 | Rotating fluid jet cleaning system for vertical walls | Matthew O. Herhold | 2000-07-04 |
| 5636789 | Fluid delivery system | — | 1997-06-10 |
| 5024382 | Self-rotating nozzle and method of use | Terry L. Henshaw | 1991-06-18 |
| 4821961 | Self-rotating nozzle | — | 1989-04-18 |
| 4793734 | Apparatus for removing structural concrete | Gerard J. DeSantis | 1988-12-27 |
| 4753549 | Method and apparatus for removing structural concrete | Gerard J. DeSantis | 1988-06-28 |
| 4736805 | Hydraulic breaker with high pressure water attachment | Gerard J. DeSantis | 1988-04-12 |
| 4537639 | Method for cleaning weld smut from a surface | — | 1985-08-27 |
| 4536635 | Method and apparatus for cleaning welding electrode wheels with high pressure water | — | 1985-08-20 |