Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502225 | Centrifugal fan assembly for road sweeping machines | Gareth Knopp, Stephen John Catchpole | 2019-12-10 |
| 7992723 | Filter cartridge with inlet flow diffuser | Kanwar Suri, Michael Gao, Rowland Ellis | 2011-08-09 |
| 6904788 | Single-body multiple sensing device | Fermin Sandoval Diaz | 2005-06-14 |
| 6852216 | Sensing device using MEMS technology and prognostic health monitoring | Daniel Moscaritolo | 2005-02-08 |
| 6823718 | Single-body multiple sensing device | Fermin Sandoval Diaz | 2004-11-30 |
| 6006924 | Multi-media filtration system with reusable and demountable filter cartridge | — | 1999-12-28 |
| 4779303 | Road sweeping vehicles | Anthony J. Duthie | 1988-10-25 |
| 4773119 | Road sweeping vehicles | Anthony J. Duthie | 1988-09-27 |