Graeme Thomas Marr

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Aberdeenshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Stop collar
- Patent number 10,385,637
- Issue date Aug 20, 2019
- Tercel Oilfield Products USA LLC
- Graeme Thomas Marr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole swivel sub
- Patent number 9,982,492
- Issue date May 29, 2018
- TERCEL IP LTD
- John Hanton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing expansion
- Patent number 8,746,028
- Issue date Jun 10, 2014
- Weatherford/Lamb, Inc.
- Andrew Michael Duggan
- C21 - METALLURGY OF IRON
Information Patent Grant
Hanging apparatus and method
- Patent number 7,686,089
- Issue date Mar 30, 2010
- Caledus Limited
- Paul Howlett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing expansion tool
- Patent number 7,096,570
- Issue date Aug 29, 2006
- Weatherford/Lamb, Inc.
- Graeme Thomas Marr
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Stop Collar
- Publication number 20190032431
- Publication date Jan 31, 2019
- Tercel Oilfield Products USA LLC
- Graeme Thomas Marr
- E21 - EARTH DRILLING MINING
Information Patent Application
Down-Hole Swivel Sub
- Publication number 20140299379
- Publication date Oct 9, 2014
- Tercel Oilfield Products UK Limited
- Ross Hyland
- E21 - EARTH DRILLING MINING
Information Patent Application
Hanging Apparatus And Method
- Publication number 20080110641
- Publication date May 15, 2008
- Caledus Limited
- Paul Howlett
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing expansion
- Publication number 20050005668
- Publication date Jan 13, 2005
- Andrew Michael Duggan
- C21 - METALLURGY OF IRON
Information Patent Application
Tubing expansion
- Publication number 20030140673
- Publication date Jul 31, 2003
- Graeme Thomas Marr
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...