Qi PENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Unique PDC microstructure and the method of making it
- Patent number 12,104,111
- Issue date Oct 1, 2024
- CNPC USA Corporation
- Kai Zhang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Blade cap force modulation system for a drill bit
- Patent number 11,879,296
- Issue date Jan 23, 2024
- CNPC USA Corporation
- Ming Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blade cap force modulation system for a drill bit
- Patent number 11,499,378
- Issue date Nov 15, 2022
- CNPC USA Corporation
- Ming Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
BLADE CAP FORCE MODULATION SYSTEM FOR A DRILL BIT
- Publication number 20230015380
- Publication date Jan 19, 2023
- CNPC USA CORPORATION
- Ming ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
BLADE CAP FORCE MODULATION SYSTEM FOR A DRILL BIT
- Publication number 20220162914
- Publication date May 26, 2022
- CNPC USA Corporation
- Ming ZHANG
- E21 - EARTH DRILLING MINING