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Petroleo Brasileiro S.a. - Petrobras

USPTO Granted Patents = 440

CIPO Patents = 18

EPO Patents = 93

Forward Citations = 2,753

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1,170 inventors (with patents filed for the assignee):

Mario Germino Ferreira Da Silva (19 out of 21 patents)

Andrea De Rezende Pinho (15 out of 16 patents)

Roberto Rodrigues (14 out of 14 patents)

4. Wilson Kenzo Huziwara (12 out of 14 patents)

5. Alcino Resende De Almeida (12 out of 13 patents)

6. Jefferson Roberto Gomes (11 out of 12 patents)

7. Carlos Nagib Khalil (10 out of 12 patents)

8. Jailton Ferreira Do Nascimento (10 out of 10 patents)

9. Roberto Carlos Pontes Bittencourt (9 out of 12 patents)

10. Emanuel Freire Sandes (9 out of 9 patents)

11. Fernando Antonio Moreira Da Silva (9 out of 9 patents)

12. Wladmir Ferraz De Souza (8 out of 8 patents)

13. José Mozart Fusco (8 out of 10 patents)

14. Aurélio Medina Dubois (8 out of 9 patents)

15. Hugo Francisco Lisboa Santos (8 out of 9 patents)

Core Competencies:

Natural Gas Processing

Microemulsion Systems

Polyamide Membranes

Hydraulic Cement Composition

Nanostructured Materials

Reservoir Stimulation

Subsea Oil Production

CO2 Capture and Storage

Robotic Systems

Flexible Pipe Technology

Oil Recovery Methods

Chemical Product Storage

440 patents: Sort by Forward Citations

1. 12512697 - Control process for low voltage microgrids with distributed communication (2025-12-30),

2. 12509966 - Autonomous chemical treatment system and method for drilling and completion rigs (2025-12-30),

3. 12509949 - Device for centring and/or pulling a tool in a pipeline (2025-12-30),

4. 12502643 - High-pressure vessel for packaging hollow fiber type membranes for the separation process with contactors (2025-12-23),

5. 12499567 - Method for generating a three-dimensional digital model of a drill core and computer-readable storage media (2025-12-16),

6. 12498320 - Method for monitoring the precipitation of inorganic salts in aqueous systems (2025-12-16),

7. 12497861 - Virtual decoupling method for managing multiphase streams in subsea oil production modules (2025-12-16),

8. 12492948 - Optical system for measuring water-oil interface level from fluid thermal properties (2025-12-09),

9. 12492632 - Method for quantification of loss of injectivity associated with corrosion products (2025-12-09),

10. 12492610 - System and method for isolation and chemical injection in a completion string of oil wells with open intervals (2025-12-09),

11. 12480064 - Process for the removal of HS from natural gas at high pressures by means of a PSA process (2025-11-25),

12. 12474235 - Method and device for sampling pressure barrier of flexible pipes (2025-11-18),

13. 12467576 - Multi-diameter cleaning pig (2025-11-11),

14. 12467017 - Microemulsion systems for extraction and displacement of oil in sandstone rocks (2025-11-11),

15. 12460520 - Controller for suppressing slugs in petroleum production systems (2025-11-04),

Petroleo Brasileiro S.A. - Petrobras is a Brazil-based integrated energy company engaged in the exploration, production, refining, and distribution of oil and gas. It operates in various segments, including Exploration and Production, Refining, Transportation and Marketing, Gas and Power, Biofuels, Distribution, and International. Petrobras is one of the largest publicly-traded oil companies in the world and is headquartered in Rio de Janeiro, Brazil.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

440 Patents

#1 in

#1 in Brazil

#2,095 in the World

Petroleo Brasileiro S.a. - Petrobras

Forward Citations = 2,753

1,170 inventors:

Mario Germino Ferreira Da Silva (19 out of 21 patents)

Andrea De Rezende Pinho (15 out of 16 patents)

Roberto Rodrigues (14 out of 14 patents)

4. Wilson Kenzo Huziwara (12 out of 14 patents)

5. Alcino Resende De Almeida (12 out of 13 patents)

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