Joseph Daniel Filbrandt

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Stavanger, NO

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Patents Grantslast 30 patents

Information Patent Grant
Annular safety valve pull through device
- Patent number 10,465,473
- Issue date Nov 5, 2019
- Schlumberger Technology Corporation
- Geir Meling
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ANNULAR SAFTEY VALVE PULL THROUGH DEVICE
- Publication number 20160237780
- Publication date Aug 18, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Geir Meling
- E21 - EARTH DRILLING MINING