David Malcolm Sinclair

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Pipe connector device
- Patent number 8,056,940
- Issue date Nov 15, 2011
- Oil States Industries (UK) Ltd.
- David James Edward Morgan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe connectors
- Patent number 5,964,486
- Issue date Oct 12, 1999
- Oil States Industries (UK) Limited
- David Malcolm Sinclair
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PIPE COUPLING
- Publication number 20190032821
- Publication date Jan 31, 2019
- Oil States International (UK) Limited
- DAVID MALCOLM SINCLAIR
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Pipe Connector Device
- Publication number 20110068574
- Publication date Mar 24, 2011
- OIL STATES INDUSTRIES (UK) LTD
- David James Edward Morgan
- E21 - EARTH DRILLING MINING