Divonsir Lopes

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Tijuca, BR

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Patents Grantslast 30 patents

Information Patent Grant
Gas separator with automatic level control
- Patent number 6,554,066
- Issue date Apr 29, 2003
- Petroleo Brasileiro S.A.-Petrobras
- Divonsir Lopes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well-bottom gas separator
- Patent number 6,481,499
- Issue date Nov 19, 2002
- Petroleo Brasileiro S.A.
- Divonsir Lopes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and equipment for the flow of offshore oil production with p...
- Patent number 6,092,603
- Issue date Jul 25, 2000
- Petroleo Brasileiro S.A. - Petrobras
- Paulo Cesar Ribeiro Lima
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and equipment for the flow of offshore oil production
- Patent number 6,079,498
- Issue date Jun 27, 2000
- Petroleo Brasileiro S.A. - Petrobras
- Paulo Cesar Ribeiro Lima
- E21 - EARTH DRILLING MINING
Information Patent Grant
Helical separator
- Patent number 6,036,749
- Issue date Mar 14, 2000
- Petroleo Brasileiro S.A. - Petrobras
- Geraldo Afonso Spinelli Martins Ribeiro
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple, self-adjusting downhole gas separator
- Patent number 5,389,128
- Issue date Feb 14, 1995
- Petroleo Brasileiro S.A.-Petrobras
- Divonsir Lopes
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Gas separator with automatic level control
- Publication number 20020023750
- Publication date Feb 28, 2002
- Divonsir Lopes
- E21 - EARTH DRILLING MINING
Information Patent Application
Well-bottom gas separator
- Publication number 20010004017
- Publication date Jun 21, 2001
- Divonsir Lopes
- E21 - EARTH DRILLING MINING