Vijay Kumar KEERTHIVASAN

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Patents Applicationslast 30 patents

Information Patent Application
VALVE AND METHOD FOR MULTI-STAGE WELL STIMULATION
- Publication number 20230349263
- Publication date Nov 2, 2023
- Grant Prideco, Inc.
- Paul David BUSENGDAL
- E21 - EARTH DRILLING MINING
Information Patent Application
LINER HANGER RUNNING TOOL
- Publication number 20220381099
- Publication date Dec 1, 2022
- NATIONAL OILWELL VARCO NORWAY AS
- Vijay Kumar KEERTHIVASAN
- E21 - EARTH DRILLING MINING