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Kenneth L. Havlinek
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and methods to control fluid flow in a downhole tool
Patent number
7,934,547
Issue date
May 3, 2011
Schlumberger Technology Corporation
Mark Milkovisch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid analysis method and apparatus
Patent number
7,458,252
Issue date
Dec 2, 2008
Schlumberger Technology Corporation
Darcy Freemark
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for formation evaluation
Patent number
7,178,591
Issue date
Feb 20, 2007
Schlumberger Technology Corporation
Christopher S. Del Campo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fuel cell for downhole and subsea power systems
Patent number
7,069,998
Issue date
Jul 4, 2006
Schlumberger Technology Corporation
Wenlin Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated pumping system for use in pumping a variety of fluids
Patent number
6,811,382
Issue date
Nov 2, 2004
Schlumberger Technology Corporation
Steven E. Buchanan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Well-bore sensor apparatus and method
Patent number
6,766,854
Issue date
Jul 27, 2004
Schlumberger Technology Corporation
Reinhart Ciglenec
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fuel cell for downhole power systems
Patent number
6,686,079
Issue date
Feb 3, 2004
Schlumberger Technology Corporation
Wenlin Zhang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel cell for downhole and subsea power systems
Patent number
6,575,248
Issue date
Jun 10, 2003
Schlumberger Technology Corporation
Wenlin Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Expandable pin plug for automated use
Patent number
5,779,085
Issue date
Jul 14, 1998
Gas Research Institute
Kenneth Havlinek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for changing bits while drilling with a flexib...
Patent number
5,746,279
Issue date
May 5, 1998
Gas Research Institute
Kenneth Havlinek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for drilling with a flexible shaft while using...
Patent number
5,687,806
Issue date
Nov 18, 1997
Gas Research Institute
Alan Sallwasser
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Extreme Temperature Retrievable Isolation Packer System
Publication number
20240068321
Publication date
Feb 29, 2024
Downhole Emerging Technologies, LLC
Kenneth Havlinek
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Methods to Control Fluid Flow in a Downhole Tool
Publication number
20090044951
Publication date
Feb 19, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Mark Milkovisch
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUID ANALYSIS METHOD AND APPARATUS
Publication number
20060243033
Publication date
Nov 2, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Darcy Freemark
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR FORMATION EVALUATION
Publication number
20060042793
Publication date
Mar 2, 2006
SCHLUMBERGER TECHNOLOGY CORPORATION
Christopher S. Del Campo
E21 - EARTH DRILLING MINING
Information
Patent Application
Fuel cell for downhole power systems
Publication number
20040081865
Publication date
Apr 29, 2004
Wenlin Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
Fuel cell for downhole and subsea power systems
Publication number
20030196814
Publication date
Oct 23, 2003
SCHLUMBERGER TECHNOLOGY CORPORATION
Wenlin Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Well-bore sensor apparatus and method
Publication number
20020195247
Publication date
Dec 26, 2002
SCHLUMBERGER TECHNOLOGY CORPORATION
Reinhart Ciglenec
E21 - EARTH DRILLING MINING
Information
Patent Application
Integrated pumping system for use in pumping a variety of fluids
Publication number
20020066568
Publication date
Jun 6, 2002
Steven E. Buchanan
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Fuel cell for downhole power systems
Publication number
20020034668
Publication date
Mar 21, 2002
Wenlin Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fuel cell for downhole and subsea power systems
Publication number
20020011335
Publication date
Jan 31, 2002
Wenlin Zhang
H01 - BASIC ELECTRIC ELEMENTS