Chee Sing Kelvin LOH

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Patents Grantslast 30 patents

Information Patent Grant
Two-stage expandable liner hanger
- Patent number 12,203,349
- Issue date Jan 21, 2025
- Halliburton Energy Services, Inc.
- Chee Sing Kelvin Loh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXPANSION TOOL WITH A HYBRID CONE FOR EXPANSION OF AN EXPANDABLE LI...
- Publication number 20250027387
- Publication date Jan 23, 2025
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-ENERGIZING SEAL FOR EXPANDABLE LINER HANGER
- Publication number 20250020045
- Publication date Jan 16, 2025
- Halliburton Energy Services, Inc.
- Xiaoguang Allan Zhong
- E21 - EARTH DRILLING MINING
Information Patent Application
Two-Stage Expandable Liner Hanger
- Publication number 20240151123
- Publication date May 9, 2024
- Halliburton Energy Services, Inc.
- Chee Sing Kelvin Loh
- E21 - EARTH DRILLING MINING
Information Patent Application
COLLAPSIBLE SHELL PACKER FOR METAL-TO-METAL SEALING
- Publication number 20220389787
- Publication date Dec 8, 2022
- Halliburton Energy Services, Inc.
- Peng Hooi OON
- E21 - EARTH DRILLING MINING