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Lance T. Robinson
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Tulsa, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure relief mechanism for linear actuator well pump
Patent number
9,885,353
Issue date
Feb 6, 2018
Baker Hughes, a GE company, LLC
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING
Information
Patent Grant
Auxiliary face seal for submersible well pump seal section
Patent number
9,777,560
Issue date
Oct 3, 2017
Baker Hughes Incorporated
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING
Information
Patent Grant
Magnetic rotational to linear actuator for well pumps
Patent number
9,726,166
Issue date
Aug 8, 2017
Baker Hughes Incorporated
Steven K. Tetzlaff
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Connection assembly for through tubing conveyed submersible pumps
Patent number
9,080,436
Issue date
Jul 14, 2015
Baker Hughes Incorporated
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING
Information
Patent Grant
High efficiency impeller
Patent number
9,046,090
Issue date
Jun 2, 2015
Baker Hughes Incorporated
Alan Lin Kao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus, system and method for reducing gas intake in horizontal...
Patent number
8,919,432
Issue date
Dec 30, 2014
Summit ESP, LLC
Steven Keith Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Modular down hole gauge for use in retrievable electric submersible...
Patent number
8,821,137
Issue date
Sep 2, 2014
Baker Hughes Incorporated
Steven K. Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Gas restrictor for horizontally oriented pump
Patent number
7,921,908
Issue date
Apr 12, 2011
Baker Hughes Incorporated
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Magnetic Rotational to Linear Actuator for Well Pumps
Publication number
20160169215
Publication date
Jun 16, 2016
BAKER HUGHES INCORPORATED
Steven K. Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Auxiliary Face Seal for Submersible Well Pump Seal Section
Publication number
20160145984
Publication date
May 26, 2016
BAKER HUGHES INCORPORATED
Steven K. Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pressure Relief Mechanism for Linear Actuator Well Pump
Publication number
20160010640
Publication date
Jan 14, 2016
BAKER HUGHES INCORPORATED
Steven K. Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
APPARATUS, SYSTEM AND METHOD FOR REDUCING GAS INTAKE IN HORIZONTAL...
Publication number
20140369868
Publication date
Dec 18, 2014
Summit ESP, LLC
Steven Keith Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
HIGH EFFICIENCY IMPELLER
Publication number
20130101446
Publication date
Apr 25, 2013
BAKER HUGHES INCORPORATED
Alan Lin Kao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
CONNECTION ASSEMBLY FOR THROUGH TUBING CONVEYED SUBMERSIBLE PUMPS
Publication number
20120152563
Publication date
Jun 21, 2012
BAKER HUGHES INCORPORATED
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING
Information
Patent Application
Modular Down Hole Gauge for Use in Retrievable Electric Submersible...
Publication number
20110311375
Publication date
Dec 22, 2011
Steven K. Tetzlaff
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
GAS RESTRICTOR FOR HORIZONTALLY ORIENTED PUMP
Publication number
20100065280
Publication date
Mar 18, 2010
Baker Hughes Inc.
Steven K. Tetzlaff
E21 - EARTH DRILLING MINING