Company patents
Ahlstrom Oyj
Ahlstrom Oyj's patent strategy reveals a strong, albeit fluctuating, focus on core materials science, with "Layered Products (Laminates, Films)" comprising 43.5% of its portfolio and "Containers & Packaging" at 34.8%. While patenting in these top categories saw significant surges in 2024 (e.g., Layered Products +450.0% YoY), the subsequent sharp declines in 2025 and so far in 2026 suggest a possible shift in filing cadence or a more selective approach, rather than a sustained, aggressive expansion in these areas, despite "Separation Processes (Filtration, Distillation)" showing a 100.0% YoY growth 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.
46 US filings (since 2023) · 12 categories · 10 themes
Multi-layer polymer films engineered to provide superior barrier properties against gases (e.g., oxygen), moisture, or aromas, often incorporating heat-sealing or resealing mechanisms for food and product preservation.
Membrane and depth filtration for industrial separation, gas purification, and bioprocess clarification including cross-flow, dead-end, tangential flow filtration, and oil/water separation.
Systems and devices designed for automated or semi-automated brewing, grinding, and dispensing of beverages, often utilizing capsules, specialized filters, or integrated components for efficiency and user convenience.
Development and application of textile materials with engineered properties such as waterproofing, thermal regulation, anti-cling, structural coloration, or enhanced filtration capabilities for specific performance needs.
Development of polymer compositions and material structures for electrical insulation and protective sheathing of cables, focusing on properties like flame retardancy, flexibility, and semiconductivity.
Adhesive technologies focused on environmental benefits such as biodegradability, natural origin, or designed for easy debonding and re-bonding to facilitate recycling, reuse, or specific application needs.
Adhesive formulations designed for high transparency and minimal light distortion, primarily used in optical components, display devices, and protective films where visual clarity is paramount.
Apparatus and methods for automatically winding or unwinding continuous materials such as webs, cables, conduits, or yarns onto or from spools, reels, or bobbins, including aspects like layering, coreless winding, and material supply.
Systems that perform operations like cutting, folding, binding, or applying liquids to sheets or webs, often integrated within larger production lines such as printing or image forming apparatuses.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
Patents
Showing 1-5 of 5
Advanced Functional Textiles