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Jobby T. Jacob
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Sugar Land, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrostatically insensitive testing and injection plug
Patent number
12,110,761
Issue date
Oct 8, 2024
Weatherford Technology Holdings, LLC
Eric R Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrostatically insensitive plug assembly
Patent number
12,098,615
Issue date
Sep 24, 2024
Weatherford Technology Holdings, LLC
Eric R. Evans
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stage cementing system
Patent number
11,713,646
Issue date
Aug 1, 2023
Weatherford Technology Holdings, LLC
Richard Lee Giroux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stop collar assembly
Patent number
11,286,750
Issue date
Mar 29, 2022
Weatherford Technology Holdings, LLC
Jeffery Morrison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stage cementing system
Patent number
11,125,048
Issue date
Sep 21, 2021
Weatherford Technology Holdings, LLC
Richard Lee Giroux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for wet shoe applications
Patent number
10,961,815
Issue date
Mar 30, 2021
Weatherford Technology Holdings, LLC
Cesar G. Garcia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Active RFID tag arrangements for actuation of downhole equipment in...
Patent number
10,915,714
Issue date
Feb 9, 2021
Weatherford Technology Holdings, LLC
John Ownby
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Buoyant system for installing a casing string
Patent number
10,883,333
Issue date
Jan 5, 2021
Weatherford Technology Holdings, LLC
Richard Lee Giroux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flow control device
Patent number
10,655,428
Issue date
May 19, 2020
Weatherford Technology Holdings, LLC
Richard L. Giroux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Active RFID tag arrangements for actuation of downhole equipment in...
Patent number
10,586,083
Issue date
Mar 10, 2020
Weatherford Technology Holdings, LLC
John Ownby
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Radio frequency identification tag delivery system
Patent number
10,198,606
Issue date
Feb 5, 2019
Weatherford Technology Holdings, LLC
John Fielding Ownby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Radio frequency identification tag delivery system
Patent number
9,911,016
Issue date
Mar 6, 2018
Weatherford Technology Holdings, LLC
John Fielding Ownby
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sliding sleeve locking mechanisms
Patent number
8,522,877
Issue date
Sep 3, 2013
Baker Hughes Incorporated
Clay Chambers
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYDROSTATICALLY INSENSITIVE TESTING AND INJECTION PLUG
Publication number
20240229598
Publication date
Jul 11, 2024
Weatherford Technology Holdings, LLC.
Eric R. EVANS
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydrostatically Insensitve Plug Assembly
Publication number
20240229599
Publication date
Jul 11, 2024
Weatherford Technology Holdings, LLC.
Eric R. Evans
E21 - EARTH DRILLING MINING
Information
Patent Application
STAGE CEMENTING SYSTEM
Publication number
20220003069
Publication date
Jan 6, 2022
Weatherford Technology Holdings, LLC.
Richard Lee GIROUX
E21 - EARTH DRILLING MINING
Information
Patent Application
STOP COLLAR ASSEMBLY
Publication number
20210301627
Publication date
Sep 30, 2021
Weatherford Technology Holdings, LLC.
Jeffery MORRISON
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Wet Shoe Applications
Publication number
20210047898
Publication date
Feb 18, 2021
Weatherford Technology Holdings, LLC.
Cesar G. Garcia
E21 - EARTH DRILLING MINING
Information
Patent Application
Active RFID Tag Arrangements for Actuation of Downhole Equipment in...
Publication number
20200134271
Publication date
Apr 30, 2020
Weatherford Technology Holdings, LLC.
John Ownby
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
BUOYANT SYSTEM FOR INSTALLING A CASING STRING
Publication number
20190352995
Publication date
Nov 21, 2019
Weatherford Technology Holdings, LLC.
Richard Lee GIROUX
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOW CONTROL DEVICE
Publication number
20190178052
Publication date
Jun 13, 2019
Weatherford Technology Holdings, LLC.
Richard L. GIROUX
E21 - EARTH DRILLING MINING
Information
Patent Application
Active RFID Tag Arrangements for Actuation of Downhole Equipment in...
Publication number
20180225485
Publication date
Aug 9, 2018
Weatherford Technology Holdings, LLC.
John Ownby
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RADIO FREQUENCY IDENTIFICATION TAG DELIVERY SYSTEM
Publication number
20180150660
Publication date
May 31, 2018
Weatherford Technology Holdings, LLC.
John Fielding OWNBY
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RADIO FREQUENCY IDENTIFICATION TAG DELIVERY SYSTEM
Publication number
20160335464
Publication date
Nov 17, 2016
Weatherford Technology Holdings, LLC.
John Fielding OWNBY
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Sliding Sleeve Locking Mechanisms
Publication number
20110042107
Publication date
Feb 24, 2011
BAKER HUGHES INCORPORATED
Clay Chambers
E21 - EARTH DRILLING MINING
Information
Patent Application
JUNCTION HAVING IMPROVED FORMATION COLLAPSE RESISTANCE AND METHOD
Publication number
20090188671
Publication date
Jul 30, 2009
BAKER HUGHES INCORPORATED
Jobby T. Jacob
E21 - EARTH DRILLING MINING