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Patent applications and USPTO patent grants for Friedmann; Hans.The latest application filed is for "trace element solution for biogas methods".
Patent | Date |
---|---|
Apparatus and process for the conversion into biogas of fermentation stillage arising as a waste product of ethanol production Grant 8,962,309 - Friedmann February 24, 2 | 2015-02-24 |
Process and apparatus for the microbial production of a specific product and methane Grant 8,426,162 - Friedmann , et al. April 23, 2 | 2013-04-23 |
Trace Element Solution For Biogas Methods App 20120021476 - Friedmann; Hans ;   et al. | 2012-01-26 |
Process And Apparatus For The Microbial Production Of A Specific Product And Methane App 20100285548 - Friedmann; Hans ;   et al. | 2010-11-11 |
Apparatus And Process For The Conversion Into Biogas Of Fermentation Stillage Arising As A Waste Product Of Ethanol Production App 20090176289 - Friedmann; Hans | 2009-07-09 |
Air bearing slider rail design with trumpet-shaped rail portion Grant 4,961,121 - Astheimer , et al. October 2, 1 | 1990-10-02 |
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