Bruce Joseph Witwer

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Inner drilling riser tie-back internal connector
- Patent number 11,585,159
- Issue date Feb 21, 2023
- Dril-Quip, Inc.
- John E. Nelson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subsea system and method for high pressure high temperature wells
- Patent number 10,697,264
- Issue date Jun 30, 2020
- Dril-Quip Inc.
- Bruce Joseph Witwer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
IMPROVED INNER DRILLING RISER TIE-BACK INTERNAL CONNECTOR
- Publication number 20210002964
- Publication date Jan 7, 2021
- Dril-Quip, Inc.
- John E. Nelson
- E21 - EARTH DRILLING MINING
Information Patent Application
SUBSEA SYSTEM AND METHOD FOR HIGH PRESSURE HIGH TEMPERATURE WELLS
- Publication number 20190368298
- Publication date Dec 5, 2019
- Dril-Quip Inc.
- Bruce Joseph Witwer
- E21 - EARTH DRILLING MINING