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Fabio Okamoto Tanaka
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Spring, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Inverted diffuser for abrasive slurry flow with sensor for internal...
Patent number
11,851,969
Issue date
Dec 26, 2023
Baker Hughes Oilfield Operations LLC
Fabio O. Tanaka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inverted diffuser for abrasive slurry flow with sensor for internal...
Patent number
11,359,452
Issue date
Jun 14, 2022
Baker Hughes Oilfield Operations LLC
Fabio O. Tanaka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-valve seat seal assembly for a gate valve
Patent number
9,897,215
Issue date
Feb 20, 2018
Vetco Gray Inc.
Rick C. Hunter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gate valve arrangement including multi-valve stem and seat assemblies
Patent number
9,759,334
Issue date
Sep 12, 2017
Vetco Gray Inc.
Rick C. Hunter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Segmented seal ring and support of same
Patent number
8,752,634
Issue date
Jun 17, 2014
Vetco Gray Inc.
Fabio Okamoto Tanaka
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
INVERTED DIFFUSER FOR ABRASIVE SLURRY FLOW WITH SENSOR FOR INTERNAL...
Publication number
20240110454
Publication date
Apr 4, 2024
Baker Hughes Oilfield Operations LLC
Fabio O. Tanaka
E21 - EARTH DRILLING MINING
Information
Patent Application
INVERTED DIFFUSER FOR ABRASIVE SLURRY FLOW WITH SENSOR FOR INTERNAL...
Publication number
20220213756
Publication date
Jul 7, 2022
Baker Hughes Oilfield Operations LLC
Fabio O. Tanaka
E21 - EARTH DRILLING MINING
Information
Patent Application
INVERTED DIFFUSER FOR ABRASIVE SLURRY FLOW WITH SENSOR FOR INTERNAL...
Publication number
20210317719
Publication date
Oct 14, 2021
Baker Hughes Oilfield Operations LLC
Fabio O. Tanaka
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-VALVE STEM SEAL ASSEMBLY FOR A GATE VALVE
Publication number
20140183393
Publication date
Jul 3, 2014
Vetco Gray Inc.
Rick C. Hunter
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-VALVE SEAT SEAL ASSEMBLY FOR A GATE VALVE
Publication number
20140183396
Publication date
Jul 3, 2014
Vetco Gray Inc.
Rick C. Hunter
E21 - EARTH DRILLING MINING
Information
Patent Application
GATE VALVE ARRANGEMENT INCLUDING MULTI-VALVE STEM AND SEAT ASSEMBLIES
Publication number
20140183392
Publication date
Jul 3, 2014
Vetco Gray Inc.
Rick C. Hunter
E21 - EARTH DRILLING MINING
Information
Patent Application
Segmented Seal Ring and Support of Same
Publication number
20130105143
Publication date
May 2, 2013
Vetco Gray Inc.
Fabio Okamoto Tanaka
E21 - EARTH DRILLING MINING