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Brian Walther
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Disengaging piston for linear actuation
Patent number
11,952,864
Issue date
Apr 9, 2024
Schlumberger Technology Corporation
Brian Walther
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic trigger with locked spring force
Patent number
11,774,002
Issue date
Oct 3, 2023
Schlumberger Technology Corporation
Bo Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ball valve for improved performance in debris laden environments
Patent number
11,739,612
Issue date
Aug 29, 2023
Schlumberger Technology Corporation
Cassius Elston
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYDRAULIC TRIGGER WITH LOCKED SPRING FORCE
Publication number
20230400118
Publication date
Dec 14, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Bo Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
DISENGAGING PISTON FOR LINEAR ACTUATION
Publication number
20230279737
Publication date
Sep 7, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Brian Walther
E21 - EARTH DRILLING MINING
Information
Patent Application
HYDRAULIC TRIGGER WITH LOCKED SPRING FORCE
Publication number
20230213112
Publication date
Jul 6, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Bo Chen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HYDRAULIC TRIGGER FOR ISOLATION VALVES
Publication number
20230041944
Publication date
Feb 9, 2023
SCHLUMBERGER TECHNOLOGY CORPORATION
Bo Chen
E21 - EARTH DRILLING MINING
Information
Patent Application
BALL VALVE FOR IMPROVED PERFORMANCE IN DEBRIS LADEN ENVIRONMENTS
Publication number
20210388694
Publication date
Dec 16, 2021
SCHLUMBERGER TECHNOLOGY CORPORATION
Cassius Elston
E21 - EARTH DRILLING MINING