Michael Jahn

Follow

Person

Hambuehren, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Torque sub for use with top drive
- Patent number 8,281,856
- Issue date Oct 9, 2012
- Weatherford/Lamb, Inc.
- Michael Jahn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Torque sub for use with top drive
- Patent number 8,047,283
- Issue date Nov 1, 2011
- Weatherford/Lamb, Inc.
- Michael Jahn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Torque sub for use with top drive
- Patent number 7,757,759
- Issue date Jul 20, 2010
- Weatherford/Lamb, Inc.
- Michael Jahn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for amorphous bonding of tubulars
- Patent number 6,288,373
- Issue date Sep 11, 2001
- Shell Research Limited
- Michael Jahn
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
TORQUE SUB FOR USE WITH TOP DRIVE
- Publication number 20120031628
- Publication date Feb 9, 2012
- Michael Jahn
- E21 - EARTH DRILLING MINING
Information Patent Application
TORQUE SUB FOR USE WITH TOP DRIVE
- Publication number 20100243273
- Publication date Sep 30, 2010
- Michael Jahn
- E21 - EARTH DRILLING MINING
Information Patent Application
TORQUE SUB FOR USE WITH TOP DRIVE
- Publication number 20070251701
- Publication date Nov 1, 2007
- Michael Jahn
- E21 - EARTH DRILLING MINING