Hugo Francisco Lisboa SANTOS

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Rio de Janeiro, BR

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Patents Grantslast 30 patents

Information Patent Grant
Maritime drilling with fluid reverse circulation without using dril...
- Patent number 11,702,889
- Issue date Jul 18, 2023
- Petroleo Brasileiro S.A. Petrobras
- Joseir Gandra Percy
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
REMOTELY CONTROLLED CONNECTION OF UMBILICAL CABLE WITH A ROBOT FOR...
- Publication number 20240383160
- Publication date Nov 21, 2024
- Petroleo Brasileiro S.A. - PETROBRAS
- André Viegas WENTZ
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
POWER HIGH-DENSITY DC/DC CONVERSION SYSTEM WITH OVERVOLTAGE PROTECT...
- Publication number 20230076656
- Publication date Mar 9, 2023
- Petroleo Brasileiro S.A. - PETROBRAS
- Hugo Francisco Lisboa Santos
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MARITIME DRILLING WITH FLUID REVERSE CIRCULATION WITHOUT USING DRIL...
- Publication number 20220307322
- Publication date Sep 29, 2022
- Petroleo Brasileiro S.A. - PETROBRAS
- Joseir Gandra PERCY
- E21 - EARTH DRILLING MINING
Information Patent Application
DEVICE FOR CENTRING AND/OR PULLING A TOOL IN A PIPELINE
- Publication number 20200332606
- Publication date Oct 22, 2020
- Petroleo Brasileiro S.A. - PETROBRAS
- Hugo Francisco Lisboa SANTOS
- B08 - CLEANING