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Patent applications and USPTO patent grants for Phelps, SR.; Calvin Eugene.The latest application filed is for "renewable energy process and method using a carbon dioxide cycle to produce work".
Patent | Date |
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Renewable Energy Process and Method Using a Carbon Dioxide Cycle to Produce Work App 20190170025 - Phelps, SR.; Calvin Eugene | 2019-06-06 |
Process and method using low temperature sources to produce electric power and desalinate water Grant 9,816,400 - Phelps, Sr. November 14, 2 | 2017-11-14 |
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