Company patents

RTX Corporation

RTX CORPORATION's patent strategy reveals a strong, sustained focus on core aerospace technologies, with "Steam / Gas Turbines" (43.3% of portfolio) and "Gas Turbine Plants" (36.7% of portfolio) dominating, both experiencing significant growth in 2024 and 2025 before a partial decline so far in 2026. Surprisingly, the company has an emerging focus on "Material & Chemical Analysis," which saw an impressive 193.3% YoY growth in 2025, indicating a strategic push into advanced materials diagnostics despite its smaller share (3.4% of 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.

2,358 US filings (since 2023) · 9 categories · 31 themes

Turbine Condition Monitoring & Diagnostics is up +76.6% YoY. Worth a look.
Auxiliary Systems & Maintenance

Support systems for gas turbine engines, including specialized pumps, cleaning methods for engine components, mobile power generation units, and specific structural components like joints and fasteners.

Gas Turbine Plants
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797since 2023
+33.6%YoY
Advanced Materials & Manufacturing

Focuses on the development and application of novel materials, coatings, and manufacturing processes to improve the performance, durability, and cost-effectiveness of turbine engine components.

Steam / Gas Turbines
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690since 2023
+12.6%YoY
Internal Flow Path Optimizationfiltered

Techniques and structures within heat exchangers designed to enhance heat transfer efficiency by controlling and optimizing fluid flow, including baffle arrangements, jet impingement, and condensate management.

Gas Turbine PlantsSteam / Gas Turbines
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567since 2023
+13.5%YoY
Turbine Condition Monitoring & Diagnostics

Systems and methods for real-time or periodic assessment of turbine engine health, including detection of wear, damage, unbalance, or deterioration, to enable predictive maintenance and extend operational life.

Steam / Gas Turbines
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534since 2023
+76.6%YoY
Hybrid Electric Propulsion Integration

Integration of electric machines, energy storage, and power transfer systems with gas turbine engines to enable hybrid operation, electric starting, or auxiliary power generation, improving efficiency or operational flexibility.

Gas Turbine PlantsSteam / Gas Turbines
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489since 2023
+7.0%YoY
Ceramic Matrix Composite Manufacturing

Methods and processes for fabricating ceramic matrix composites (CMCs), including preform creation, infiltration techniques, and densification to form complex shapes with enhanced properties.

Cement & Ceramics
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256since 2023
+41.8%YoY
Flexible Fuel Combustors

Combustor and fuel supply system designs that enable operation with multiple fuel types (e.g., conventional, ammonia, hydrogen) or optimize fuel-air mixing for improved efficiency, reduced emissions, or specific power cycles.

Gas Turbine Plants
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240since 2023
+38.4%YoY
Electric Propulsion Systems

Integration of electric motors, power generation, and distribution systems for propelling aircraft, including components for coupling motors to propellers and managing electrical power.

Aircraft Equipment
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184since 2023
+54.8%YoY
Advanced Sealing and Valve Design

Innovations in the design, materials, and maintenance of seals, valves, and related components to improve durability, reduce leakage, and enable specific pump functions like high-pressure operation or automated seal replacement.

Steam / Gas Turbines
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177since 2023
+49.0%YoY
High-Ratio Gearbox Designs

Designs for gear systems, particularly epicyclic configurations, to achieve high gear ratios for efficient power transfer between engine shafts and components like fans, often integrating with electric machines.

Gas Turbine Plants
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142since 2023
+42.9%YoY
High-Temperature Ceramic Coatings

Protective layers applied to ceramic or composite substrates to enhance resistance against extreme temperatures, corrosion, or erosion in harsh operating environments.

Cement & Ceramics
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74since 2023
+137.5%YoY
Wear & Corrosion Resistant Coatings

Application of protective layers to improve the durability and longevity of components by enhancing resistance to wear, oxidation, or chemical degradation in demanding operational environments.

Coating & Surface Treatment
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73since 2023
+42.9%YoY
Metal Additive Manufacturing Processes

Techniques for building three-dimensional metal objects layer-by-layer using metal powders, including powder bed fusion, binder jetting, and directed energy deposition. This theme encompasses process mechanics, equipment design, and operational control for AM systems.

Additive Manufacturing (3D Printing)Powder Metallurgy
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58since 2023
+123.1%YoY
AM Process Monitoring & Control

Systems and methods for real-time sensing, modeling, and closed-loop control of additive manufacturing parameters to ensure part quality, consistency, and process efficiency. This includes thermal management, atmospheric regulation, and precise material deposition.

Additive Manufacturing (3D Printing)Powder Metallurgy
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56since 2023
+314.3%YoY
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 AnalysisMachine Testing
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53since 2023
+414.3%YoY
In-situ Coating Process Diagnostics

Methods and systems for real-time monitoring and control of coating processes or chamber cleaning, utilizing sensor data (e.g., thermal, pressure, optical) and predictive models to ensure quality and optimize efficiency.

Coating & Surface Treatment
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47since 2023
-5.3%YoY
Aircraft Sensor & Diagnostic Systems

Technologies for detecting operational parameters, monitoring component health, and diagnosing malfunctions in aircraft using various sensors and data analysis, often employing AI/ML.

Aircraft Equipment
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44since 2023
+257.1%YoY
Aircraft Fluid & Gas Control

Systems designed to regulate the flow, pressure, and distribution of non-fuel gases and fluids within aircraft, such as cabin air, oxygen supply, or pneumatic actuation systems.

Aircraft Equipment
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40since 2023
+112.5%YoY
Hybrid Additive-Subtractive Manufacturing

Integration of additive manufacturing with subtractive manufacturing (e.g., machining, cutting) or other traditional processes within a single system or workflow to create parts with improved features, surface finish, or material properties, or to enable new manufacturing paradigms.

Additive Manufacturing (3D Printing)
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32since 2023
-23.1%YoY
Advanced Functional Ceramics

Ceramic materials and components engineered for specific functional applications, such as electronics, energy storage, wear resistance, or high-temperature heating elements.

Cement & Ceramics
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31since 2023
+114.3%YoY
Hydrogen Aircraft Fuel Systems

Technologies for storing, managing pressure, and safely distributing hydrogen fuel within an aircraft, including tank integration, pressure control, and leak detection.

Aircraft Equipment
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28since 2023
-38.5%YoY
Advanced Deposition Chamber Hardware

Design and engineering of specialized components within deposition systems, such as heaters, targets, susceptors, and chamber walls, to achieve precise control over process parameters like temperature, material flux, and plasma characteristics.

Coating & Surface Treatment
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22since 2023
+50.0%YoY
Functionally Graded Materials & Coatings

Production of materials where properties vary continuously or discontinuously through the volume, often achieved by combining different powders or applying specialized coatings like thermal sprays to enhance surface hardness, wear resistance, or thermal properties.

Powder Metallurgy
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21since 2023
+28.6%YoY
AM Part Design & Topology Optimization

Computational methods and design principles for generating optimized geometries, internal structures (e.g., lattices, minimal surfaces), or functional features that are specifically enabled or enhanced by the capabilities of additive manufacturing.

Additive Manufacturing (3D Printing)
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21since 2023
+33.3%YoY
Acoustic and Vibration Diagnostics

Utilizing sound and vibration analysis to detect malfunctions, assess balance, or monitor the operational health of machinery and structures. This often involves sensors, signal processing, and pattern recognition.

Machine Testing
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17since 2023
-16.7%YoY
Conformal & Selective Film Deposition

Methods for depositing thin films with controlled conformality, thickness, and material properties, including selective deposition on specific areas, often using atomic layer deposition (ALD), chemical vapor deposition (CVD), or epitaxial growth.

Coating & Surface Treatment
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12since 2023
+200.0%YoY
Leak and Seal Integrity Testing

Methods and systems for detecting fluid or gas leaks, or assessing the quality and continuity of seals in containers, systems, or structures. This often involves pressure changes, electrical properties, or acoustic analysis.

Machine Testing
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7since 2023
new
Advanced Magnetic Powder Materials

Development and processing of metal powders with specific magnetic properties, including soft magnetic alloys, permanent magnet materials, and insulated powders for electronic components, often involving precise control of particle size, morphology, and composition.

Powder Metallurgy
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5since 2023
+300.0%YoY
Additive Manufacturing of Cementitious Materials

Methods for layer-by-layer deposition or 3D printing of concrete and cement-based materials, often employing rapidly hydrating binders or specialized compositions for rapid setting.

Cement & Ceramics
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3since 2023
new
Optical Component and Fiber Characterization

Techniques and apparatus for measuring and verifying the performance, properties, and structural integrity of optical components like lenses, waveguides, and optical fibers. This includes loss, refractive index, and physical defects.

Machine Testing
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3since 2023
new
Advanced Cabin Interior Systems

Innovations in aircraft cabin design, including reconfigurable spaces, passenger amenities, integrated displays, and automated control of cabin devices based on flight status.

Aircraft Equipment
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2since 2023
new

Patents

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