Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817747 | Portable variable speed volumetric feed hopper | Robert J. Fox | 2004-11-16 |
| 6802964 | Tipping pit water reclaiming system | Robert J. Fox | 2004-10-12 |
| 6325311 | Axial flow concrete reclaimer | — | 2001-12-04 |
| 6000645 | Axial flow, bi-rotor concrete reclaimer | — | 1999-12-14 |
| 5458776 | Sand dewatering centriguse | Steinar Storruste | 1995-10-17 |
| 5441475 | Centrifugal separator with axially separable bowl elements | Steinar Storruste | 1995-08-15 |
| 5312051 | Fresh wet concrete reclaimer | — | 1994-05-17 |