Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D709103 | Landfill compactor tooth | David E. Williams | 2014-07-15 |
| D709104 | Landfill compactor tooth | David E. Williams | 2014-07-15 |
| D692925 | Landfill compactor tooth | David E. Williams | 2013-11-05 |
| D692926 | Landfill compactor tooth | David E. Williams | 2013-11-05 |
| D660877 | Track-shoe | David E. Williams | 2012-05-29 |
| D660878 | Track-shoe | David E. Williams | 2012-05-29 |
| 7108452 | Fill and compaction roller using replaceable cleat assemblies with extended service life | Scott F. P. Caron | 2006-09-19 |
| 6991401 | Compactor wheel with trash exclusion properties | — | 2006-01-31 |
| 6682262 | Fill and compaction roller using replaceable cleat assemblies with extended service life | Scott F. P. Caron | 2004-01-27 |
| 5967242 | Protecting compactor axles, seals and wheel bearings from wire wrap intrusion | Scott F. P. Caron, Donald Chris Bettencourt | 1999-10-19 |
| 5795097 | Transfer station wheels | Scott F. P. Caron | 1998-08-18 |
| 4991662 | Land fill spreader blade assembly | Kenneth H. Pratt | 1991-02-12 |
| 4919566 | Fill and compaction roller using readily replaceable cleat assemblies | Kenneth H. Pratt, Richard D. Genger | 1990-04-24 |
| 4865400 | Demolition and compaction track shoe and assembly for crawler vehicle | Kenneth H. Pratt | 1989-09-12 |
| 4750792 | Demolition and compaction track shoe and assembly for crawler vehicle | Kenneth H. Pratt | 1988-06-14 |