Paulo Roberto Leite Nóbrega

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Sao Vicente, BR

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Patents Grantslast 30 patents

Information Patent Grant
Airtight magnetic seal for bearing casings
- Patent number 8,201,830
- Issue date Jun 19, 2012
- Petroleo Brasileiro S.A. Petrobras
- Paulo Roberto Leite Nóbrega
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Compact restictive seal for bearing housings
- Patent number 7,878,508
- Issue date Feb 1, 2011
- Petroleo Brasileiro S.A. Petrobras
- Paulo Roberto Leite Nóbrega
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Compact restictive seal for bearing housings
- Publication number 20100225065
- Publication date Sep 9, 2010
- Petroleo Brasileiro S.A. - PETROBRAS
- Paulo Roberto Leite Nóbrega
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPACT RESTRICTIVE SEAL FOR BEARING HOUSINGS
- Publication number 20100052264
- Publication date Mar 4, 2010
- Petroleo Brasileiro S.A. - PETROBRAS
- Paulo Roberto Leite NOBREGA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Airtight magnetic seal for bearing casings
- Publication number 20090315271
- Publication date Dec 24, 2009
- Petroleo Brasileiro S.A. - PETROBRAS
- Paulo Roberto Leite Nóbrega
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...