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Andrew Mitchell
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Subsea equipment alignment device
Patent number
12,320,222
Issue date
Jun 3, 2025
Innovex International, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rigidized seal assembly using automated space-out mechanism
Patent number
12,152,456
Issue date
Nov 26, 2024
Innovex International, Inc.
Andrew B. Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Barrier arrangement in wellhead assembly
Patent number
12,084,937
Issue date
Sep 10, 2024
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea equipment alignment device
Patent number
11,952,853
Issue date
Apr 9, 2024
Dril-Quip, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Grant
Barrier arrangement in wellhead assembly
Patent number
11,773,678
Issue date
Oct 3, 2023
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing hanger space-out mechanism
Patent number
11,459,843
Issue date
Oct 4, 2022
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea equipment alignment device
Patent number
11,199,066
Issue date
Dec 14, 2021
Dril-Quip, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing hanger alignment device
Patent number
11,180,968
Issue date
Nov 23, 2021
Dril-Quip, Inc.
Andrew Mitchell
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Tubing Hanger Alignment Device and Space-out Mechanism
Publication number
20250154846
Publication date
May 15, 2025
Innovex International, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Application
Rigidized Seal Assembly Using Automated Space-Out Mechanism
Publication number
20250052125
Publication date
Feb 13, 2025
Innovex International, Inc.
Andrew B. Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsea Equipment Alignment Device
Publication number
20240209711
Publication date
Jun 27, 2024
Dril-Quip, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Application
Lock Ring Actuator for Tubing Hanger Installation
Publication number
20240151116
Publication date
May 9, 2024
Dril-Quip, Inc.
Andrew B. Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
BARRIER ARRANGEMENT IN WELLHEAD ASSEMBLY
Publication number
20230392466
Publication date
Dec 7, 2023
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Application
Rigidized Seal Assembly Using Automated Space-Out Mechanism
Publication number
20230026935
Publication date
Jan 26, 2023
Dril-Quip, Inc.
Andrew B. Mitchell
E21 - EARTH DRILLING MINING
Information
Patent Application
BARRIER ARRANGEMENT IN WELLHEAD ASSEMBLY
Publication number
20220389781
Publication date
Dec 8, 2022
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSEA EQUIPMENT ALIGNMENT DEVICE
Publication number
20220090461
Publication date
Mar 24, 2022
Dril-Quip, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Application
Tubing Hanger Space-Out Mechanism
Publication number
20210180425
Publication date
Jun 17, 2021
Dril-Quip, Inc.
Chris D. Bartlett
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSEA EQUIPMENT ALIGNMENT DEVICE
Publication number
20210087899
Publication date
Mar 25, 2021
Dril-Quip, Inc.
Blake T. DeBerry
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBING HANGER ALIGNMENT DEVICE
Publication number
20200399973
Publication date
Dec 24, 2020
Dril-Quip, Inc.
Andrew Mitchell
E21 - EARTH DRILLING MINING