Davidson Harman

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Load anchor with sealing
- Patent number 11,873,691
- Issue date Jan 16, 2024
- Schlumberger Technology Corporation
- Peter Wood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packer
- Patent number 10,428,617
- Issue date Oct 1, 2019
- MORPHPACKERS LIMITED
- Cameron Hill Radtke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Isolation barrier
- Patent number 9,863,208
- Issue date Jan 9, 2018
- MORPHPACKERS LIMITED
- David Glen Martin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve assembly
- Patent number 9,200,501
- Issue date Dec 1, 2015
- Petrowell Limited
- Damien Gerard Patton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
LOAD ANCHOR WITH SEALING
- Publication number 20220259934
- Publication date Aug 18, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Peter Wood
- E21 - EARTH DRILLING MINING
Information Patent Application
Packer
- Publication number 20180045016
- Publication date Feb 15, 2018
- MorphPackers Limited
- Cameron Hill Radtke
- E21 - EARTH DRILLING MINING
Information Patent Application
Isolation Barrier
- Publication number 20160115761
- Publication date Apr 28, 2016
- Meta Downhole Limited
- David Glen Martin
- E21 - EARTH DRILLING MINING
Information Patent Application
VALVE ASSEMBLY
- Publication number 20130248030
- Publication date Sep 26, 2013
- PETROWELL LIMITED
- Damien Gerard Patton
- E21 - EARTH DRILLING MINING
Information Patent Application
VALVE ASSEMBLY
- Publication number 20100301242
- Publication date Dec 2, 2010
- Damien Gerard Patton
- E21 - EARTH DRILLING MINING