Company patents

Dionex Corporation

Dionex Corporation's patent strategy shows a surprising diversification beyond its core Material & Chemical Analysis (64.1% of portfolio) and Separation Processes (33.3%) into emerging areas like Business Methods & Fintech, Alarm & Signaling Systems, and Computer Vision, all experiencing 100% year-over-year growth in 2026 so far, despite a general decline in its traditional materials-focused categories in 2025 and 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.

78 US filings (since 2023) · 12 categories · 17 themes

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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19since 2023
-33.3%YoY
Integrated Molecular Diagnostic Systems

Self-contained or modular devices designed to automate and integrate multiple steps of molecular diagnostic assays, from sample preparation to result interpretation, often for point-of-care or high-throughput applications.

Laboratory Apparatus
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15since 2023
0.0%YoY
Automated Liquid Handling

Systems and components designed for precise, automated manipulation, transfer, and dispensing of liquid samples and reagents, often involving pipettes, robotic arms, and specialized sample containers.

Laboratory Apparatus
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12since 2023
0.0%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.

Separation Processes (Filtration, Distillation)Catalysts & Reactors
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10since 2023
-33.3%YoY
Ion Implantation Control & Metrology

Methods and apparatus for precise wafer positioning, ion beam uniformity, and dose monitoring during ion implantation processes in semiconductor device manufacturing.

Electron / Ion Tubes & Discharge
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9since 2023
0.0%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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6since 2023
-50.0%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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6since 2023
+100.0%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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5since 2023
new
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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4since 2023
+100.0%YoY
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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3since 2023
+100.0%YoY
Functional Hydrogels

Synthesis and application of crosslinked polymer networks designed to swell in water, often for medical, sensing, or smart material applications, exhibiting properties like hydrolysis resistance, thermochromism, or radiation protection.

Polymer Working & Compounding
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3since 2023
0.0%YoY
Charged Particle Beam Optics

Techniques and devices for generating, shaping, focusing, and deflecting electron or ion beams, often involving multi-pole lenses, deflectors, and aberration correction for applications like microscopy or processing.

Electron / Ion Tubes & Discharge
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3since 2023
n/a
Polymer Particle and Powder Production

Methods for creating fine polymer particles, powders, or microspheres with controlled size, morphology, and distribution, used as raw materials or for specific applications.

Polymer Working & Compounding
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2since 2023
+100.0%YoY
Software Quality & Security Validationfiltered

Methods and frameworks for systematically verifying the correctness, performance, and security of software systems, including infrastructure as code, virtual workloads, APIs, and identifying potential vulnerabilities or inconsistencies.

Software Development & Compilers
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2since 2023
new
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 Working & Compounding
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1since 2023
n/a
Sustainable Polymer Materials

Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.

Polymer Working & Compounding
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1since 2023
n/a
Polymer Film and Membrane Fabrication

Techniques for manufacturing thin polymer layers, sheets, or multi-layer structures, often optimized for specific properties such as flexibility, barrier function, filtration, or mechanical strength.

Polymer Working & Compounding
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1since 2023
n/a

Patents

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