Patents/Assignees

PETROLEO BRASILEIRO S.A.—PETROBRAS

17 patents in portfolio

US12595436utility2026
Chemical Product Comprising an Anionic Surfactant, Chelant, and Enzyme, and Process for Cleaning Nanofiltration and Reverse Osmosis Membranes
0 cites
US12577852utility2026
Method for Removing Scale from a Subsea Manifold
0 cites
US12565815utility2026
Diverless Unified Support Tube
0 cites
US12460520utility2025
Controller for Suppressing Slugs in Petroleum Production Systems
0 cites
US12188888utility2025
Method and Apparatus for Evaluating Hydrogen Chloride Evolution as a Function of Temperature
0 cites
US12162826utility2024
Process for Producing a Renewable Isoparaffin Compound, Renewable Isoparaffin Compound and Use of the Renewable Isopraffin Compound
0 cites
US12090524utility2024
Device for Cleaning and Polishing Connections of Underwater Equipment Comprising a Cleaning-fluid Dispersing Mechanism
0 cites
US12055005utility2024
Junction Box for Connecting Two Umbilical Sections
0 cites
US12055262utility2024
System for Protecting Coated Pipes for On-land and Subsea Pipelines and the Method for Protecting Pipes
0 cites
US12025249utility2024
Telescopic Joint
0 cites
US12017915utility2024
Catalysts, Processes for Obtaining and Processes for Steam Reforming
0 cites
US11846380utility2023
Device and Method for Repairing a Hose of Umbilicals
0 cites
US11767727utility2023
Mandrel Multiplying Device for Subsea Oil Production Apparatus
0 cites
US11761680utility2023
Equipment for Laser Heating of Fluids for Injection in Wells
0 cites
US11702889utility2023
Maritime Drilling with Fluid Reverse Circulation Without Using Drilling Riser
0 cites
US11697107utility2023
Process for Gasification of a Carbonaceous Raw Material of Low Value as a Fuel Using a Nanocatalyst
0 cites
US11613934utility2023
System for Coupling Between a Bend Stiffener and a Bell Mouth Comprising a Plurality of Locking Mechanisms
0 cites