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Patent applications and USPTO patent grants for Zhou; Fubao.The latest application filed is for "thermal electricity conversion based on the heat extracted from underground coal fires".
Patent | Date |
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Closed circulation system for production of a polymer solution and improving operating efficiency of a gas drainage pump used in a coal mine Grant 10,613,554 - Zhou , et al. | 2020-04-07 |
Thermal electricity conversion based on the heat extracted from underground coal fires App 20200036303 - Zhou; Fubao ;   et al. | 2020-01-30 |
Stampede preventing method for pedestrian passage in confined space of subway Grant 10,480,139 - Zhou , et al. Nov | 2019-11-19 |
Closed Circulation System For Improving Operating Efficiency Of Gas Drainage Pump App 20190286174 - ZHOU; Fubao ;   et al. | 2019-09-19 |
Stampede Preventing Method For Pedestrian Passage In Confined Space Of Subway App 20190249382 - ZHOU; Fubao ;   et al. | 2019-08-15 |
Pneumatic fracturing method and system for exploiting shale gas Grant 9,347,301 - Gao , et al. May 24, 2 | 2016-05-24 |
Pneumatic Fracturing Method And System For Exploiting Shale Gas App 20140326450 - GAO; Feng ;   et al. | 2014-11-06 |
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