Peter Wilhelmus Jacques DERKS

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Rio de Janeiro, BR

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Patents Grantslast 30 patents

Information Patent Grant
De-molding system of ceramic parts manufactured by freeze-casting,...
- Patent number 11,458,649
- Issue date Oct 4, 2022
- PETROLEO BRACILEIRO S.A.—PETROBRAS
- Wilson Mantovani Grava
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
DE-MOLDING SYSTEM OF CERAMIC PARTS MANUFACTURED BY FREEZE-CASTING,...
- Publication number 20220168922
- Publication date Jun 2, 2022
- Petroleo Brasileiro S.A. - PETROBRAS
- Wilson Mantovani GRAVA
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
DE-MOLDING SYSTEM OF CERAMIC PARTS MANUFACTURED BY FREEZE-CASTING,...
- Publication number 20190358852
- Publication date Nov 28, 2019
- Petroleo Brasileiro S.A. - PETROBRAS
- Wilson Mantovani GRAVA
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
ROBOTIC INSPECTION DEVICE
- Publication number 20170106531
- Publication date Apr 20, 2017
- Petroleo Brasileiro S.A. - PETROBRAS
- Romankevicius COSTA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS