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Patent applications and USPTO patent grants for Schaef; Herbert T..The latest application filed is for "systems, methods, and compositions for purifying water".
Patent | Date |
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Systems, Methods, and Compositions for Purifying Water App 20210355006 - McGrail; Bernard P. ;   et al. | 2021-11-18 |
Downhole fluid injection systems, CO.sub.2 sequestration methods, and hydrocarbon material recovery methods Grant 9,091,156 - Schaef , et al. July 28, 2 | 2015-07-28 |
Downhole Fluid Injection Systems, CO2 Sequestration Methods, and Hydrocarbon Material Recovery Methods App 20120222870 - Schaef; Herbert T. ;   et al. | 2012-09-06 |
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