Kannan Devarajan

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Dubai, AE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for carrying chemical tracers on downhole tubulars, wells...
- Patent number 10,215,003
- Issue date Feb 26, 2019
- Weatherford Technology Holdings, LLC
- Kannan Devarajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Test packer and method for use
- Patent number 10,167,696
- Issue date Jan 1, 2019
- Weatherford Technology Holdings, LLC
- Graeme Foubister
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packoff for liner deployment assembly
- Patent number 9,650,854
- Issue date May 16, 2017
- Weatherford Technology Holdings, LLC
- Kannan Devarajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Test packer and method for use
- Patent number 9,371,711
- Issue date Jun 21, 2016
- Weatherford Technology Holdings, LLC
- Graeme Foubister
- E21 - EARTH DRILLING MINING
Information Patent Grant
Test packer and method for use
- Patent number 8,851,166
- Issue date Oct 7, 2014
- Weatherford/Lamb, Inc.
- Graeme Foubister
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TEST PACKER AND METHOD FOR USE
- Publication number 20160281457
- Publication date Sep 29, 2016
- Weatherford Technology Holdings, LLC.
- Graeme Foubister
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for Carrying Chemical Tracers on Downhole Tubulars, Wells...
- Publication number 20160281476
- Publication date Sep 29, 2016
- Weatherford Technology Holdings, LLC.
- John S. Sladic
- E21 - EARTH DRILLING MINING
Information Patent Application
TEST PACKER AND METHOD FOR USE
- Publication number 20150013971
- Publication date Jan 15, 2015
- Weatherford Technology Holdings, LLC.
- Graeme Foubister
- E21 - EARTH DRILLING MINING
Information Patent Application
PACKOFF FOR LINER DEPLOYMENT ASSEMBLY
- Publication number 20140352944
- Publication date Dec 4, 2014
- WEATHERFORD/LAMB, INC.
- Kannan DEVARAJAN
- E21 - EARTH DRILLING MINING