Huailiang Liu

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Frac plug device for high expansion at the setting position
- Patent number 12,209,481
- Issue date Jan 28, 2025
- CNPC USA Corporation
- Matthew Patsy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-continuos epoxy microstructure for fabrication of degradable the...
- Patent number 12,049,557
- Issue date Jul 30, 2024
- CNPC USA Corp.
- Lei Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compound grease coating for controlled dissolution of a dissolvable...
- Patent number 11,952,531
- Issue date Apr 9, 2024
- CNPC USA Corporation
- Lei Zhao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
COMPOUND GREASE COATING FOR CONTROLLED DISSOLUTION OF A DISSOLVABLE...
- Publication number 20240117235
- Publication date Apr 11, 2024
- CNPC USA CORPORATION
- Lei ZHAO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...