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Rio de Janeiro, Brazil

Petroleo Brasilerio S.a. - Petrobras

USPTO Granted Patents = 2

Forward Citations = 10

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8 inventors (with patents filed for the assignee):

Carlos Nagib Khalil (1 out of 12 patents)

Cezar Augusto Silva Paulo (1 out of 2 patents)

Samir P Awad (1 out of 3 patents)

4. Orlando Jose Soares Ribeiro (1 out of 1 patent)

5. Eduardo De Melo Sanches (1 out of 1 patent)

6. Francisca Ferreira Rosario (1 out of 1 patent)

7. Sandra Botelho Rondinini (1 out of 1 patent)

8. Maria Carmen Bezerra (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5840658 - Process for the controlled fixing of scale inhibitor in a subterranean (1998-11-24),

2. 5441112 - Integrated base for oil drilling and production work (1995-08-15),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#22 in Rio de Janeiro

#248 in Brazil

Rio de Janeiro, Brazil

Petroleo Brasilerio S.a. - Petrobras

Forward Citations = 10

8 inventors:

Carlos Nagib Khalil (1 out of 12 patents)

Cezar Augusto Silva Paulo (1 out of 2 patents)

Samir P Awad (1 out of 3 patents)

4. Orlando Jose Soares Ribeiro (1 out of 1 patent)

5. Eduardo De Melo Sanches (1 out of 1 patent)

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