Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713525 | Horizontal comminuting machine particularly for recyclable heavy wood randomly carrying non-shatterable foreign pieces | — | 1998-02-03 |
| 5419502 | Tub grinder systems and methods for comminuting waste wood | — | 1995-05-30 |
| 5322104 | Flail drum machines and methods | Milan W. Robison | 1994-06-21 |
| 5261306 | Circular saw blade for tree cutting and bunching vehicles | Donald J. Ryan | 1993-11-16 |
| 5191754 | Self-propelled compost windrow turning and aerating machine and methods of operating the machine | — | 1993-03-09 |
| 5138957 | Hot gas generation system for producing combustible gases for a burner from particulate solid organic biomass material | Robert Engler | 1992-08-18 |
| 5137219 | Wood chipper and infeed system | — | 1992-08-11 |
| 5070920 | Debarker knife assembly | — | 1991-12-10 |
| 5054703 | Stump chipper knife assembly | — | 1991-10-08 |
| 5005620 | Drum-type wood chipper | — | 1991-04-09 |
| 4771953 | Retractable anvil chipper | — | 1988-09-20 |
| 4736781 | Stump disintegrator | Ivor Bateman | 1988-04-12 |
| 4534390 | Portable chipper with relatively low power high torque tree feed mechanism for feeding the tree or other product to be chipped at a controlled feed angle | Ivor Bateman | 1985-08-13 |
| 4522344 | Wood chip screening and processing methods and apparatus | — | 1985-06-11 |
| 4396501 | Wood chip screening and processing method and apparatus | — | 1983-08-02 |
| 4391205 | Method and apparatus for burning green wood chips | — | 1983-07-05 |