Kai Li

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal-based dissolvable ball seat, setting system and setting method
- Patent number 11,634,961
- Issue date Apr 25, 2023
- PetroChina Company Limited
- Xiaowei Xue
- E21 - EARTH DRILLING MINING
Information Patent Grant
Surfactant that changes the wettability of tight sandstone and its...
- Patent number 10,544,353
- Issue date Jan 28, 2020
- PetroChina Company Ltd.
- Gang Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Supramolecular elastomer networks containing grafted oligoamide har...
- Patent number 9,914,798
- Issue date Mar 13, 2018
- The University Of Akron
- Li Jia
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
WATERPROOF MEMBRANE, PREPARATION METHOD AND CONSTRUCTION METHOD THE...
- Publication number 20240117134
- Publication date Apr 11, 2024
- BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY CO., LTD.
- Yuqin XIONG
- E21 - EARTH DRILLING MINING
Information Patent Application
METAL-BASED DISSOLVABLE BALL SEAT, SETTING SYSTEM AND SETTING METHOD
- Publication number 20210277741
- Publication date Sep 9, 2021
- Xiaowei Xue
- E21 - EARTH DRILLING MINING
Information Patent Application
SURFACTANT THAT CHANGES THE WETTABILITY OF TIGHT SANDSTONE AND ITS...
- Publication number 20190031945
- Publication date Jan 31, 2019
- Petrochina Company Limited
- Gang Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SUPRAMOLECULAR ELASTOMER NETWORKS CONTAINING GRAFTED OLIGOAMIDE HAR...
- Publication number 20170081455
- Publication date Mar 23, 2017
- Li Jia
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...