Company patents

EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY

EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY's patent strategy reveals a broad focus across traditional energy and materials sectors, with Catalysts & Reactors (19.9% of portfolio), Drilling & Mining (17.9%), and Petroleum / Hydrocarbon Refining (17.2%) dominating. While most categories show a decline in 2025 and so far in 2026, the company demonstrated an emerging focus in Polymer Synthesis (Polymerization) with a significant 200.0% YoY growth in 2025, suggesting a strategic pivot towards advanced materials, despite its smaller 2.6% share of the total portfolio.

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.

719 US filings (since 2023) · 11 categories · 39 themes

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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116since 2023
-20.5%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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106since 2023
-18.4%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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105since 2023
-52.9%YoY
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.

Catalysts & ReactorsSeparation Processes (Filtration, Distillation)
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92since 2023
-38.5%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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91since 2023
-45.2%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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82since 2023
+33.3%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.

Drilling & MiningGeophysics & Gravity Measurement
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80since 2023
-42.4%YoY
Hydroprocessing & Desulfurization

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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78since 2023
-38.1%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.

Catalysts & ReactorsNon-metallic Inorganic CompoundsAcyclic / Carbocyclic Compounds
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73since 2023
+14.3%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 & MiningFunctional Materials (LCD, Lubricants)
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70since 2023
+16.7%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 Compounds
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68since 2023
+20.0%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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48since 2023
-35.3%YoY
Specialty Solvents and Coolants

Formulated liquid compositions designed for specific industrial applications, such as non-flammable cleaning, thermal management in electronics, or as low-viscosity, high-flash-point base fluids.

Functional Materials (LCD, Lubricants)
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43since 2023
+55.6%YoY
Catalytic Olefin Polymerization

Methods and catalyst systems, often supported (e.g., on silica or alumina), for the synthesis of polyolefins like polyethylene and polypropylene, focusing on controlling molecular weight, distribution, and polymer morphology.

Polymer Synthesis (Polymerization)
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41since 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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40since 2023
-43.8%YoY
Geophysical Data Processingfiltered

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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36since 2023
-72.2%YoY
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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32since 2023
0.0%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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28since 2023
+42.9%YoY
Advanced Polymerization Processes

Novel methods and reactor designs for polymer synthesis, focusing on improving efficiency, achieving continuous production, or controlling specific polymer architectures and product morphologies like particle size or sheet formation.

Polymer Synthesis (Polymerization)
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21since 2023
+75.0%YoY
Emerging Contaminant Removal

Specific techniques and materials developed to remove persistent or difficult-to-treat pollutants from water, such as per- and polyfluoroalkyl substances (PFAS), micropollutants, or specific industrial chemicals.

Catalysts & Reactors
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21since 2023
-25.0%YoY
Silicon-based Functional Materials

Synthesis and processing of silicon and silicon carbide materials in various forms (e.g., particles, nanowires, films) for applications beyond traditional semiconductors, such as battery components, refractories, or advanced electronics.

Non-metallic Inorganic Compounds
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19since 2023
+28.6%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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18since 2023
0.0%YoY
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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13since 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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13since 2023
-80.0%YoY
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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9since 2023
0.0%YoY
Battery Material Recovery

Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.

Batteries & Fuel Cells
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8since 2023
0.0%YoY
EV Thermal Management Systems

Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.

Batteries & Fuel Cells
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7since 2023
+200.0%YoY
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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5since 2023
0.0%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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5since 2023
new
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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4since 2023
0.0%YoY
Lithium Compound Synthesis for Batteries

Methods for synthesizing high-purity lithium compounds, such as lithium carbonate, lithium sulfide, or composite salts, specifically optimized for use in battery electrodes or electrolytes.

Non-metallic Inorganic Compounds
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3since 2023
new
Dynamic & Reversible Polymer Networks

Polymers incorporating reversible bonds or crosslinks that enable reprocessing, self-healing, or tunable mechanical properties, often responding to stimuli like heat, light, or pH for de-crosslinking and re-crosslinking.

Polymer Synthesis (Polymerization)
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2since 2023
new
Lithium Battery Anode Materials

Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.

Batteries & Fuel Cells
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2since 2023
new
Solid-State Battery Manufacturing

Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.

Batteries & Fuel Cells
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2since 2023
new
Water Contaminant Remediation

Systems and methods specifically engineered for removing pollutants and impurities from water sources, ranging from groundwater decontamination to point-of-use filtration, often employing adsorption, membrane, or distillation techniques.

Separation Processes (Filtration, Distillation)
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2since 2023
n/a
Functional Organic Materials

Synthesis and application of organic compounds designed to impart specific functionalities in material science, such as photosensitivity or charge transport, for electronic or optical devices.

Acyclic / Carbocyclic Compounds
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2since 2023
n/a
Battery Electrode Coating & Slurry

Slurry compositions and coating processes for battery electrodes, including binder/active-material slurries, surface coating layers, and electrode-to-foil adhesion for cathode and anode.

Batteries & Fuel Cells
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1since 2023
new
Battery Pack Mechanical Design

Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.

Batteries & Fuel Cells
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1since 2023
new
Biomedical Polymer Formulations

Polymer compositions tailored for medical and biological applications, including implantable devices, drug delivery systems, and diagnostic tools, emphasizing properties like biocompatibility, hydrolysis resistance, optical clarity, and specific mechanical characteristics.

Polymer Synthesis (Polymerization)
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1since 2023
new

Patents

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Geophysical Data Processing
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