Raghu Madhavan

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Interface and method for wellbore telemetry system
- Patent number 9,366,092
- Issue date Jun 14, 2016
- IntelliServ, LLC
- Remi Hutin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electrical transmission between rotating and non-rotating members
- Patent number 8,810,428
- Issue date Aug 19, 2014
- Schlumberger Technology Corporation
- Raghu Madhavan
- G01 - MEASURING TESTING
Information Patent Grant
Vibrating wire viscometers
- Patent number 8,322,196
- Issue date Dec 4, 2012
- Schlumberger Technology Corporation
- Raghu Madhavan
- G01 - MEASURING TESTING
Information Patent Grant
Wired drill pipe having conductive end connections
- Patent number 7,857,644
- Issue date Dec 28, 2010
- IntelliServ, LLC
- Raghu Madhavan
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method and conduit for transmitting signals
- Patent number 7,683,802
- Issue date Mar 23, 2010
- IntelliServ, LLC
- Raghu Madhavan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
VIBRATING WIRE VISCOMETERS
- Publication number 20110023587
- Publication date Feb 3, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- RAGHU MADHAVAN
- E21 - EARTH DRILLING MINING
Information Patent Application
WIRED DRILL PIPE HAVING CONDUCTIVE END CONNECTIONS
- Publication number 20100071188
- Publication date Mar 25, 2010
- Raghu Madhavan
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTRICAL TRANSMISSION BETWEEN ROTATING AND NON-ROTATING MEMBERS
- Publication number 20100052941
- Publication date Mar 4, 2010
- RAGHU MADHAVAN
- E21 - EARTH DRILLING MINING
Information Patent Application
INTERFACE AND METHOD FOR TRANSMITTING INFORMATION TO AND FROM A DOW...
- Publication number 20090173493
- Publication date Jul 9, 2009
- Remi Hutin
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND CONDUIT FOR TRANSMITTING SIGNALS
- Publication number 20080106433
- Publication date May 8, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- RAGHU MADHAVAN
- E21 - EARTH DRILLING MINING