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Johannes Wilhelmus Henricus van RIJZINGEN
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Oosterhout, NL
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Patents Grants
last 30 patents
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Patent Grant
Elevator for heavy load pipe lifting, pipe for such elevator and pi...
Patent number
12,158,044
Issue date
Dec 3, 2024
Grant Prideco, Inc.
Johannes Wilhelmus Henricus van Rijzingen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Elevator for Heavy Load Pipe Lifting, Pipe for Such Elevator and Pi...
Publication number
20220268111
Publication date
Aug 25, 2022
NATIONAL OILWELL VARCO NORWAY AS
Johannes Wilhelmus Henricus van RIJZINGEN
E21 - EARTH DRILLING MINING