Christopher J. Chau

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical rotating control device latch assembly
- Patent number 10,914,131
- Issue date Feb 9, 2021
- Halliburton Energy Services, Inc.
- Christopher J. Chau
- E21 - EARTH DRILLING MINING
Information Patent Grant
Latch assembly using on-board miniature hydraulics for RCD applicat...
- Patent number 10,605,038
- Issue date Mar 31, 2020
- Halliburton Energy Services, Inc.
- Christopher J. Chau
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL ROTATING CONTROL DEVICE LATCH ASSEMBLY
- Publication number 20190136655
- Publication date May 9, 2019
- Halliburton Energy Services, Inc.
- Christopher J. Chau
- E21 - EARTH DRILLING MINING
Information Patent Application
LATCH ASSEMBLY USING ON-BOARD MINIATURE HYDRAULICS FOR RCD APPLICAT...
- Publication number 20190024474
- Publication date Jan 24, 2019
- Halliburton Energy Services, Inc.
- Christopher J. Chau
- E21 - EARTH DRILLING MINING