Johann Obermair

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Celle, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit for use with intensified fluid pressures
- Patent number 12,037,850
- Issue date Jul 16, 2024
- Schlumberger Technology Corporation
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for use with intensified fluid pressures
- Patent number 11,512,536
- Issue date Nov 29, 2022
- Schlumberger Technology Corporation
- Gary R. Portwood
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILL BIT FOR USE WITH INTENSIFIED FLUID PRESSURES
- Publication number 20240360725
- Publication date Oct 31, 2024
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR USE WITH INTENSIFIED FLUID PRESSURES
- Publication number 20230097242
- Publication date Mar 30, 2023
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Gary R. Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR USE WITH INTENSIFIED FLUID PRESSURES
- Publication number 20210140245
- Publication date May 13, 2021
- Smith International, Inc.
- Gary R. Portwood
- E21 - EARTH DRILLING MINING