DA

Donald P. Aupperle

BN Biochar Now: 3 patents #4 of 6Top 70%
📍 Seattle, WA: #529 of 4,728 inventorsTop 15%
🗺 Washington: #1,651 of 14,738 inventorsTop 15%
Overall (2019): #92,452 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10370593 Controlled kiln and manufacturing system for biochar production Mikel S. Olander, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II 2019-08-06
10323845 Airflow control and heat recovery in a managed kiln Mikel S. Olander, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II 2019-06-18
10253979 Flow regulation for a biochar kiln Mikel S. Olander, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II 2019-04-09