Assignee
PETROLEO BRASILEIRO S A – PETROBRAS
BR·174 granted patents·83 pending applications·36 citations·filing 2012–2025
Top patents by PatentIndex Score
257 records- 0190US2026063016A1Centrifugal pump for heating fluid by eddy current, and subsea tool for heating fluid by eddy currentPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 0287US12017915B2Catalysts, processes for obtaining and processes for steam reformingPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2021·Granted Jun 25, 2024·2 cites·19 claims
- 0384US11613934B2System for coupling between a bend stiffener and a bell mouth comprising a plurality of locking mechanismsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2019·Granted Mar 28, 2023·7 cites·10 claims
- 0479US2024170106A1Method for determining the acidity distribution curve of oils from the molecular composition of the crude oilPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2023·Application pending·0 cites
- 0578US12441932B2Calcite impregnated with scale inhibitor composition, process of obtaining the same and process for combating circulation lossPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2023·Granted Oct 14, 2025·0 cites·14 claims
- 0678US11642657B2Method for preparing a catalyst for one-step production of butadiene from ethanol, catalyst and use thereofPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted May 9, 2023·2 cites·8 claims
- 0777US12509966B2Autonomous chemical treatment system and method for drilling and completion rigsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2024·Granted Dec 30, 2025·0 cites·1 claims
- 0875US12269623B2Coating repair application system using remotely piloted aircraftPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted Apr 8, 2025·1 cites·9 claims
- 0973US10344201B2Process for the production of nanoparticles and compositionsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2016·Granted Jul 9, 2019·2 cites·7 claims
- 1073US9637381B2Process for pre-reforming hydrocarbon streams containing olefins, pre-reforming catalyst and a process for preparing said catalystPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2014·Granted May 2, 2017·4 cites·10 claims
- 1173US2026055841A1Vibration attenuation support for pipelines with thermal expansion movementPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 1271US2025115504A1System for treating produced water resulting from oil extraction and pneumatic flocculation method by injection of inert gas into heat exchangersPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 1371US2026063609A1Process for determining phosphonate in saline watersPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 1470US12110759B2Equipment for self-abandonment of wellsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted Oct 8, 2024·1 cites·7 claims
- 1570US9404584B2Compact restictive seal for bearing housingsPETROLEO BRASILEIRO S A -PETROBRAS·Filed 2014·Granted Aug 2, 2016·3 cites·15 claims
- 1670US2025198960A1Use of sensors based on functionalized carbon nanotubes and process for the detection of co2 in gaseous environmentsPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 1770US2025129718A1Method for determining residual oil saturation by miscible gas injection (sorm)PETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 1870US2025216374A1Methods and systems of using and operating permanent deformation model for soils and granular materials with the shift factor conceptPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 1969US2025173887A1Method for measuring oil dispersion capacity on water surfacePETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2069US2025155859A1Electronic device and method for carrying out rounds and automatic data acquisitionPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2169US2025067641A1Bench for automated staining of petrographic slides in batchPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2268US2025313318A1Diverless bell mouth manipulator and method for performing diverless operations in a bell mouth using the manipulatorPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 2368US2025044210A1Methods for optimizing the selection of points to obtain formation static pressure based on the relation between the permeability index and the effective porosityPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2468US2026055384A1Method for obtaining a lyophilised enzymatic preparation and its uses in synthesis reactions for the production of estolide-type biolubricants, biodiesel and polyol-esters-type biolubricantsPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 2567US2025075121A1Anti-foaming formulations based on silicones and fluorosilicones and method for reducing foam in petroleumPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2667US2024230603A1Method and system for carbon isotopic ratio analysis in natural gasPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2023·Application pending·0 cites
- 2767US2025174311A1Methods for predicting and optimizing mixtures between petroleum products for processing in the solvent route to obtain group i lubricant base oils in a pilot planPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 2867US2024210284A1Device with jig for cutting clay mineral slides oriented for analyses of the x-ray diffractometry techniquePETROLEO BRASILEIRO S A – PETROBRAS·Filed 2023·Application pending·0 cites
- 2966US12000218B2Adapter tool for coupling a bend stiffener with interface for bell mouths of models with BSN900E type connection in a diverless bell mouth (BSDL) and interconnection methodsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2021·Granted Jun 4, 2024·1 cites·9 claims
- 3066US11815502B2Laser-energized heating system in carbonate rock acidification testsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2021·Granted Nov 14, 2023·0 cites·4 claims
- 3166US2025189290A1Mooring link measuring tool and mooring link measuring method using a mooring link measuring toolPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 3266US2025362275A1Modular system and methods for vacuum vaporization for coupling and analysis in gas chromatograph applicable to hydrocarbons present in oil source rocksPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 3365US12290958B2De-molding system of ceramic parts manufactured by freeze-casting, and mold cooling system and method for manufacturing ceramic parts by freezing-castingPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted May 6, 2025·0 cites·11 claims
- 3465US11826745B2Method of maintaining the activity of pre-reform catalystsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted Nov 28, 2023·0 cites·5 claims
- 3565US2025362427A1Method and systems for calculating the blanketing effect in modeling oil systems and computer-readable storage mediaPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 3665US2025321418A1Coupling device for cleaning sensor lenses and method for installing a coupling device for cleaning sensor lensesPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2025·Application pending·0 cites
- 3765US2025102700A1Computer-implemented method for multi-scale unsupervised classification of electro-faciesPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 3864US12498320B2Method for monitoring the precipitation of inorganic salts in aqueous systemsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2023·Granted Dec 16, 2025·0 cites·7 claims
- 3964US12264495B1Method and system for replacing the fixed roof of a storage tankPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2024·Granted Apr 1, 2025·0 cites·8 claims
- 4064US11480043B2System and method for hydraulically driven underwater pumpingPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2018·Granted Oct 25, 2022·2 cites·12 claims
- 4164US10330230B2System for auto-alignment and tensioning of flexible pipes in a stationary production unit, and method for installing flexible pipes therebyPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2017·Granted Jun 25, 2019·2 cites·15 claims
- 4264US2025060510A1Method for 4d kinematic modeling of submarine salt layerPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 4363US2025163270A1Process for producing asphalt binder and asphalt binderPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 4462US12571262B2System and method for construction and completion of production and injection wells in the pre-salt fieldsPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2024·Granted Mar 10, 2026·0 cites·18 claims
- 4562US2024190544A1Subsea device and method for installing a sealPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2023·Application pending·0 cites
- 4662US2025069404A1System and method for continuous flame quality assessment of industrial burnersPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2024·Application pending·0 cites
- 4761US12565610B2Foam formulation and its use in temporary pipe pluggingPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2022·Granted Mar 3, 2026·0 cites·9 claims
- 4861US11679381B2Methods for preparing high temperature water gas shifting catalyst, catalyst and process for reducing carbon monoxidePETROLEO BRASILEIRO S A —PETROBRAS·Filed 2021·Granted Jun 20, 2023·0 cites·12 claims
- 4961US11458422B2Multiphase separator, and method of separating a multiphase fluidPETROLEO BRASILEIRO S A —PETROBRAS·Filed 2018·Granted Oct 4, 2022·1 cites·20 claims
- 5060US2024067548A1Modular system for treating effluent from cleaning hulls of floating unitsPETROLEO BRASILEIRO S A – PETROBRAS·Filed 2021·Application pending·0 cites
Showing the top 50 of 257 patent records by PatentIndex Score.
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