Company patents

TotalEnergies OneTech

TotalEnergies OneTech's patent strategy reveals a surprising and strong emerging focus on renewable energy technologies, with 'Electrolysis & Electrochemistry' growing by 300.0% in 2024 and 'Separation Processes (Filtration, Distillation)' by 350.0% in 2024, despite a significant portion of its portfolio (9.5%) still dedicated to traditional 'Petroleum / Hydrocarbon Refining', which saw a 100.0% growth in 2025 but a sharp decline so far in 2026.

Patent Trend by Technology Area

Yearly patent publications since 2023

Product themes

Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.

462 US filings (since 2023) · 12 categories · 42 themes

Electrochemical Chemical Synthesis

Utilization of electrochemical processes to synthesize a variety of chemical products, materials, or to treat waste streams, by selectively promoting redox reactions of specific feedstocks beyond hydrogen or CO2 reduction.

Electrolysis & Electrochemistry
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45since 2023
+25.0%YoY
Carbon Dioxide Capture & Conversion

Technologies and materials for capturing carbon dioxide from gas streams and subsequently converting it into valuable chemical products or materials, rather than simply storing it.

Non-metallic Inorganic CompoundsAcyclic / Carbocyclic CompoundsCatalysts & Reactors
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45since 2023
-16.7%YoY
Geophysical Data Processing

Techniques for enhancing, interpreting, and modeling subsurface data, including seismic, electromagnetic, and nuclear magnetic resonance measurements, often involving advanced signal processing, inversion, and parallel computing methods.

Geophysics & Gravity Measurement
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39since 2023
0.0%YoY
Sustainable Fuel & Hydrogen Production

Systems and methods for producing fuels, such as Sustainable Aviation Fuel (SAF), or hydrogen with a reduced carbon intensity, often leveraging alternative feedstocks, Fischer-Tropsch synthesis, or integrated energy recovery.

Petroleum / Hydrocarbon Refining
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38since 2023
+27.3%YoY
Advanced Separation & Recovery Systems

Novel or optimized methods and apparatus for efficiently separating desired products, recovering valuable components, or managing effluents from complex hydrocarbon mixtures and refining processes.

Petroleum / Hydrocarbon Refining
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36since 2023
+58.3%YoY
Hydroprocessing & Desulfurizationfiltered

Chemical processes that utilize hydrogen to remove impurities like sulfur, nitrogen, and oxygen from hydrocarbon feedstocks, or to saturate aromatic compounds, often employing specific catalysts and process conditions.

Petroleum / Hydrocarbon Refining
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36since 2023
+77.8%YoY
Waste Plastic Pyrolysis & Upgrading

Technologies focused on converting waste plastics, residual polymers, or aromatic waste streams into valuable hydrocarbon liquids, gases, or chemical feedstocks through thermal or catalytic pyrolysis, followed by upgrading and separation processes.

Petroleum / Hydrocarbon Refining
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33since 2023
+266.7%YoY
Catalytic Cracking & Regeneration

Processes and reactor designs for breaking down heavier hydrocarbon feedstocks into lighter, more valuable products using catalysts, including methods for regenerating spent catalysts through coke burning or other means.

Petroleum / Hydrocarbon Refining
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31since 2023
+183.3%YoY
Hydrogen Production Catalysis

Catalytic processes and novel catalyst materials designed to efficiently produce hydrogen gas from various feedstocks, including hydrocarbons (e.g., methane, natural gas) and ammonia.

Non-metallic Inorganic CompoundsElectrolysis & Electrochemistry
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31since 2023
-30.8%YoY
CO2 Electroreduction Catalysts

Development of catalytic materials and membrane electrode assemblies (MEAs) specifically designed for the electrochemical reduction of carbon dioxide (CO2) or carbon monoxide (COx) into valuable chemicals or fuels.

Electrolysis & Electrochemistry
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29since 2023
-8.3%YoY
Downhole Wellbore Sensing

Deployment and operation of specialized sensors within wellbores to monitor formation properties, fluid flow, and well integrity, often using acoustic, optical, or radiation-based methods, and integrating with well operations.

Geophysics & Gravity MeasurementDrilling & Mining
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23since 2023
-66.7%YoY
Automated Well Operations & Control

Systems and methods employing sensors, data processing, and control algorithms to automate and optimize drilling, fracturing, and fluid production processes in real-time.

Drilling & Mining
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22since 2023
-88.9%YoY
Industrial Organic Synthesis

Methods and apparatus for the efficient and selective production of organic compounds, including amines, acids, and esters, often involving catalytic or continuous processes and purification steps.

Acyclic / Carbocyclic Compounds
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15since 2023
0.0%YoY
Downhole Power & Electrical Systems

Methods and apparatus for generating, storing, and distributing electrical power within a wellbore, or for powering downhole tools and systems from the surface.

Drilling & Mining
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15since 2023
-25.0%YoY
Electrolyzer Cell Components

Design and engineering of non-catalytic parts within an electrolysis cell or stack, such as separators, gaskets, flow fields, porous transport layers, and manifold devices, to improve efficiency, sealing, or gas management.

Electrolysis & Electrochemistry
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12since 2023
+500.0%YoY
Electrolyzer Durability & Control

Methods and systems for enhancing the operational lifespan, stability, and performance management of electrolyzers, including strategies for preventing degradation, restoring activity, and regulating operating conditions.

Electrolysis & Electrochemistry
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11since 2023
0.0%YoY
Gas Stream Purification

Technologies and systems for removing unwanted components or separating desired gases from a mixed gas stream, including adsorption, absorption, and membrane-based methods.

Separation Processes (Filtration, Distillation)
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10since 2023
-40.0%YoY
Wellbore Treatment Fluids

Specialized fluid compositions, including additives and inhibitors, used in oil and gas exploration and production for purposes like drilling, fracturing, cementing, corrosion inhibition, and formation stimulation.

Drilling & Mining
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10since 2023
-66.7%YoY
Advanced Biomarker Detection Assays

Methods and compositions for identifying, quantifying, or characterizing specific biological molecules (e.g., nucleic acids, proteins, metabolites, antibodies) or microbial species, often for diagnostic, prognostic, or quality control applications.

Material & Chemical Analysis
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9since 2023
-66.7%YoY
Polymer Composites with Functional Fillers

Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.

Polymer Compositions
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8since 2023
+100.0%YoY
High-Pressure Electrolysis Systems

Engineering solutions for safely and efficiently operating electrolysis devices at elevated pressures, including specialized sealing, pressure regulation, and system integration for high-pressure gas generation and handling.

Electrolysis & Electrochemistry
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7since 2023
new
High-Performance Thermally Stable Resins

Polymer compositions engineered for enhanced heat resistance, thermal stability in molten states, or improved processability at high temperatures, often involving specific copolymers, blends, or stabilizing additives for applications in electronics or automotive.

Polymer Compositions
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6since 2023
+100.0%YoY
Elastomer Formulations for Performance

Development of rubber and elastomer compositions, often involving specific polymer blends, additives (e.g., process oils, reinforcing agents), and cure packages, to achieve desired mechanical properties like abrasion resistance, wet grip, shear durability, or flexibility for demanding applications.

Polymer Compositions
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6since 2023
-75.0%YoY
PV System Fault Diagnosis

Methods and devices for monitoring the operational parameters of photovoltaic systems, detecting anomalies, and diagnosing specific faults like reverse connections, insulation failures, or efficiency drops, often using predictive models.

Photovoltaic (Solar Cells)
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5since 2023
+300.0%YoY
Geothermal Energy Extraction

Technologies and systems specifically designed for extracting thermal energy from subterranean heat sources, including magma reservoirs or low-permeability fractured formations.

Drilling & Mining
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5since 2023
0.0%YoY
Enhanced PV Module Design

Innovations in the physical and optical structure of photovoltaic modules, including cover plates, integrated features, and non-planar designs, to improve light absorption, aesthetics, or installation.

Photovoltaic (Solar Cells)
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5since 2023
0.0%YoY
Reactor System Design & Optimization

Engineering approaches to improve the efficiency, control, and performance of chemical reactors, encompassing continuous processes, heat exchange integration, and specialized reactor configurations for various chemical transformations.

Catalysts & Reactors
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4since 2023
new
Automated PV Panel Cleaning

Systems and methods for automatically removing dust, dirt, or debris from photovoltaic panel surfaces to maintain optimal energy conversion efficiency, often involving robotic or integrated mechanisms.

Photovoltaic (Solar Cells)
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4since 2023
new
Digital Twin & System Simulation

Creating virtual models (digital twins) of complex physical systems to simulate their behavior, predict performance, validate designs, or guide operations under various conditions.

Electronic Design Automation (CAD/EDA)
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3since 2023
new
Automated Visual Inspection

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Material & Chemical Analysis
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3since 2023
new
Module-Level Power Electronics (MLPE)

Power conversion and optimization circuits, such as inverters, optimizers, or charge controllers, directly integrated with individual photovoltaic modules or cells to enhance performance and manage power output.

Photovoltaic (Solar Cells)
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3since 2023
+100.0%YoY
Bio-derived Chemical Production

Methods for producing organic chemicals from biomass or through fermentation processes, often focusing on carbohydrates or fatty acid derivatives for food, health, or industrial applications.

Acyclic / Carbocyclic Compounds
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3since 2023
new
Solar Module Mounting Systems

Mechanical structures and components for securely attaching photovoltaic modules to various surfaces (ground, roof, canopy) while allowing for adjustment, sealing, and integration with cleaning or support features.

Photovoltaic (Solar Cells)
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3since 2023
new
Photolithography Process Modeling

Computational methods for modeling and simulating photolithography processes, including mask design, aerial image generation, and defect prediction for semiconductor manufacturing.

Electronic Design Automation (CAD/EDA)
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3since 2023
new
Industrial & Bioprocess Filtration

Membrane and depth filtration for industrial separation, gas purification, and bioprocess clarification including cross-flow, dead-end, tangential flow filtration, and oil/water separation.

Separation Processes (Filtration, Distillation)Petroleum / Hydrocarbon Refining
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3since 2023
n/a
Advanced Security & Inspection Systems

Systems employing various sensing modalities, including X-ray, fiber optics, ground-penetrating radar, and image analysis, for detecting threats, monitoring perimeters, and inspecting objects in security or transportation contexts.

Geophysics & Gravity Measurement
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2since 2023
new
Advanced Adsorbent & Separation Media

Development of materials with tailored porosity, surface chemistry, or structure, such as metal-organic frameworks (MOFs), zeolites, or superficially porous particles, for selective adsorption, ion exchange, or chromatographic separations.

Separation Processes (Filtration, Distillation)
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2since 2023
new
Water & Wastewater Membrane Treatment

Membrane-based separation for water purification, contaminant removal, desalination, and wastewater treatment, including reverse osmosis, ultrafiltration, and forward osmosis modules.

Separation Processes (Filtration, Distillation)
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2since 2023
new
Novel Catalyst Materials

Development and synthesis of catalysts with unique compositions or structures, such as medium entropy alloys, metal foam-supported catalysts, layered catalytic articles, or high-entropy oxides, to enhance activity, selectivity, or stability in chemical reactions.

Catalysts & Reactors
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2since 2023
n/a
Industrial Solid-Liquid Separation

Equipment and processes for separating solid particles from liquid or gas phases in industrial settings, encompassing mechanical screening, filtration of molten materials, and various filter media designs.

Separation Processes (Filtration, Distillation)
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2since 2023
n/a
Component Performance Optimization

Using computational design and simulation to optimize the performance characteristics of specific components or materials within a larger engineering system.

Electronic Design Automation (CAD/EDA)
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2since 2023
n/a
Advanced Drilling & Wellbore Tools

Design and engineering of specialized mechanical and electrical tools for drilling, coring, perforating, and manipulating equipment within the wellbore environment.

Drilling & Mining
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1since 2023
new

Patents

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