Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10596600 | Technologies for material separation | Erwin Bogner | 2020-03-24 |
| 9808832 | Technologies for material separation | Erwin Bogner | 2017-11-07 |
| 9687881 | Technologies for airlock-based material separation | Erwin Bogner | 2017-06-27 |
| 9687882 | Technologies for cyclonic material separation | Erwin Bogner | 2017-06-27 |
| 9359556 | Biomass torrefaction system and method | William B. Teal, Andrew Johnson | 2016-06-07 |
| 9333538 | Technologies for material separation | Erwin Bogner | 2016-05-10 |
| 8252966 | Biomass torrefaction method | William B. Teal, Andrew Johnson | 2012-08-28 |
| 8246788 | Biomass torrefaction system and method | William B. Teal, Andrew Johnson | 2012-08-21 |
| 6412188 | Method and apparatus for drying wood strands | Elton Bates | 2002-07-02 |
| 5454176 | Large diameter wafer dryer with adjustable flighting | Daniel W. Thomas | 1995-10-03 |
| 5409118 | Open air density separator and method | Joseph B. Bielagus | 1995-04-25 |
| 5283961 | Tramp removal system | — | 1994-02-08 |
| 5004028 | Shear hub | James Travis Adams, Bryan Lanham | 1991-04-02 |
| 4964226 | High turndown rotary dryer flights | — | 1990-10-23 |
| 4860462 | Flight arrangement for rotary drum dryers | — | 1989-08-29 |
| 4703860 | Disk screen with decreasing size of slot openings, and method | Joseph B. Bielagus | 1987-11-03 |