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Marcelo Luiz LIGEIRO BARBOSA
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Rio de Janeiro, BR
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last 30 patents
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Patent Application
MODULAR SYSTEM FOR TREATING EFFLUENT FROM CLEANING HULLS OF FLOATIN...
Publication number
20240067548
Publication date
Feb 29, 2024
Petroleo Brasileiro S.A. - PETROBRAS
Marcelo Luiz LIGEIRO BARBOSA
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Patent Application
INTEGRATED SYSTEM FOR REMOVING AND TREATING MARINE BIOFOULING ON SU...
Publication number
20240059383
Publication date
Feb 22, 2024
Petroleo Brasileiro S.A. - PETROBRAS
Marcelo Luiz LIGEIRO BARBOSA
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Application
UNDERWATER ROBOT FOR REMOVING MARINE BIOFOULING FROM HULLS OF FLOAT...
Publication number
20240051645
Publication date
Feb 15, 2024
Petroleo Brasileiro S.A. - PETROBRAS
Marcelo Luiz LIGEIRO BARBOSA
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS