Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527282 | Managed biochar kiln | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2020-01-07 |
| 10370593 | Controlled kiln and manufacturing system for biochar production | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2019-08-06 |
| 10323845 | Airflow control and heat recovery in a managed kiln | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2019-06-18 |
| 10253979 | Flow regulation for a biochar kiln | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2019-04-09 |
| 10160911 | Exhaust system for a biochar kiln | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2018-12-25 |
| 9752078 | Airflow control and heat recovery in a managed kiln | Donald P. Aupperle, Mikel S. Olander, William T. Beierwaltes, James G. Gaspard, II | 2017-09-05 |