Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8330610 | System, method, and apparatus for detecting wear in a screening arrangement | Peter Helmut Franz Freissle, Mark V. Weaver, Patrick F. King, Gregory D. Anderson | 2012-12-11 |
| 8025153 | Screening arrangement | Peter Helmut Franz Freissle | 2011-09-27 |
| 7621406 | Conversion kit for particulate screening system and related implementation methods | Peter Helmut Franz Freissle | 2009-11-24 |
| 7604127 | Screening arrangement | Peter Helmut Franz Freissle | 2009-10-20 |
| 7240801 | Screening arrangement | Peter Helmut Franz Freissle | 2007-07-10 |
| 6957741 | Screening arrangement | Peter Helmut Franz Freissle | 2005-10-25 |
| 5938042 | Thin support frame | Jacobus Strydom Janse Van Rensburg, Peter Helmut Franz Freissle | 1999-08-17 |
| 5464101 | Screening arrangement | — | 1995-11-07 |
| 5385242 | Screening arrangement | — | 1995-01-31 |
| 5363970 | Screening arrangement | — | 1994-11-15 |
| 4892767 | Screening arrangement | — | 1990-01-09 |
| 4882044 | Screening arrangement | — | 1989-11-21 |
| 4762610 | Screening arrangement | — | 1988-08-09 |
| 4757664 | Wear resistant panel arrangement | — | 1988-07-19 |
| 4716694 | Wear resistant panel arrangement | — | 1988-01-05 |
| 4219161 | Quick disconnect spray nozzle | — | 1980-08-26 |