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Patrick M. Ljungdahl
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Kingwood, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Serialization and database methods for tubulars and oilfield equipment
Patent number
10,825,008
Issue date
Nov 3, 2020
Weatherford Technology Holdings, Inc.
Paul Steven Griggs
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Serialization and database methods for tubulars and oilfield equipment
Patent number
9,824,347
Issue date
Nov 21, 2017
Weatherford Technology Holdings, LLC
Paul Steven Griggs
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for analyzing flowback compositions in real time
Patent number
9,671,262
Issue date
Jun 6, 2017
Halliburton Energy Services, Inc.
Patrick Matthew Ljungdahl
E21 - EARTH DRILLING MINING
Information
Patent Grant
Diverter spool and methods of using the same
Patent number
8,997,879
Issue date
Apr 7, 2015
Halliburton Energy Services, Inc.
Douglas N. Derr
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for analyzing flowback compositions in real time
Patent number
8,812,238
Issue date
Aug 19, 2014
Halliburton Energy Services, Inc.
Patrick Matthew Ljungdahl
G01 - MEASURING TESTING
Information
Patent Grant
Serialization and database methods for tubulars and oilfield equipment
Patent number
8,463,664
Issue date
Jun 11, 2013
Weatherford/Lamb, Inc.
Paul Steven Griggs
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transport and support frame for a bop assembly
Patent number
6,494,268
Issue date
Dec 17, 2002
Weatherford/Lamb, Inc.
Patrick M. Ljungdahl
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SERIALIZATION AND DATABASE METHODS FOR TUBULARS AND OILFIELD EQUIPMENT
Publication number
20180089657
Publication date
Mar 29, 2018
Weatherford Technology Holdings, LLC.
Paul Steven Griggs
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEMS AND METHODS FOR ANALYZING FLOWBACK COMPOSITIONS IN REAL TIME
Publication number
20140324366
Publication date
Oct 30, 2014
Halliburton Energy Services, Inc.
Patrick Matthew Ljungdahl
G01 - MEASURING TESTING
Information
Patent Application
Systems and Methods for Analyzing Flowback Compositions in Real Time
Publication number
20140121970
Publication date
May 1, 2014
Patrick Matthew Ljungdahl
G01 - MEASURING TESTING
Information
Patent Application
SERIALIZATION AND DATABASE METHODS FOR TUBULARS AND OILFIELD EQUIPMENT
Publication number
20140006227
Publication date
Jan 2, 2014
WEATHERFORD/LAMB, INC.
Paul Steven Griggs
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Diverter spool and methods of using the same
Publication number
20130056226
Publication date
Mar 7, 2013
Halliburton Energy Services, Inc.
Douglas N. DERR
E21 - EARTH DRILLING MINING
Information
Patent Application
SERIALIZATION AND DATABASE METHODS FOR TUBULARS AND OILFIELD EQUIPMENT
Publication number
20070124220
Publication date
May 31, 2007
Paul Steven Griggs
G06 - COMPUTING CALCULATING COUNTING