Hongfeng BI

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Cement analyzer measures gas migration and compressive strength
- Patent number 11,378,568
- Issue date Jul 5, 2022
- Hongfeng BI
- Hongfeng Bi
- G01 - MEASURING TESTING
Information Patent Grant
Cement analyzer measures gas migration and gel strength
- Patent number 11,300,557
- Issue date Apr 12, 2022
- Hongfeng BI
- Hongfeng Bi
- G01 - MEASURING TESTING
Information Patent Grant
Cement analyzer
- Patent number 10,684,269
- Issue date Jun 16, 2020
- Hongfeng BI
- Hongfeng Bi
- G01 - MEASURING TESTING
Information Patent Grant
High pressure viscometer with chamber preventing sample contamination
- Patent number 7,412,877
- Issue date Aug 19, 2008
- Hongfeng BI
- Hongfeng Bi
- G01 - MEASURING TESTING
Information Patent Grant
Low maintenance high pressure viscometer
- Patent number 7,287,416
- Issue date Oct 30, 2007
- Hongfeng BI
- Hongfeng Bi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

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