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Perry H. Pierce, William T. Beierwaltes, James G. Gaspard, II, Donald P. Aupperle |
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Donald P. Aupperle, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II |
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2019-08-20 |
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Donald P. Aupperle, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II |
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Flow regulation for a biochar kiln |
Donald P. Aupperle, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II |
2019-04-09 |
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Exhaust system for a biochar kiln |
Donald P. Aupperle, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II |
2018-12-25 |
| 9752078 |
Airflow control and heat recovery in a managed kiln |
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