Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9855677 | Method and apparatus for making asphalt concrete using aggregate material from a plurality of material streams | J. Donald Brock, Malcolm L. Swanson | 2018-01-02 |
| 9127227 | Method and apparatus for processing biomass material | J. Donald Brock, Malcolm L. Swanson, Jeffrey Blake Pruett | 2015-09-08 |
| 6883249 | Dryer with insulating flights | — | 2005-04-26 |
| 5902040 | Asphalt plant including flame arrester | — | 1999-05-11 |
| 5890814 | Support ring mount for rotating drum | — | 1999-04-06 |