Where does Ahlstrom OYJ rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ahlstrom OYJ ranks #15,799 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Ahlstrom OYJ hold?

Ahlstrom OYJ holds 18 US utility patents granted between 2023 and 2025, spanning 26 technology areas.

What is Ahlstrom OYJ's Innovation Score?

Ahlstrom OYJ has an Innovation Score of 59.6 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Ahlstrom OYJ focus on?

Ahlstrom OYJ's top technology area is B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form) with 9 patents, ranking #449 of 3,088 assignees active in that subclass. Grants appear in 26 CPC subclasses total.

Is Ahlstrom OYJ's patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Ahlstrom OYJ.

What does claim depth mean for Ahlstrom OYJ's patents?

Ahlstrom OYJ's patents average 18.9 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Ahlstrom OYJ patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Ahlstrom OYJ

USPTO PatentsView assignee record - 18 granted patents across 26 technology areas, recorded in grant years 2023–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ahlstrom ranks #15,799 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 26 technology areas.

#15,799
of 49,997 US assignees by volume: Top 4%
by Innovation Score (59.6/100): 18.9
avg claims per patent

USPTO PatentsView assignee plate

Corpus R15799 · Foreign Corporation #15,799 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 18 grants
MID-PACK #15,799/49,997
PHOTO-FINISH Admatechs
CPC-FOCUS B32B · 26 areas
INNOV-PAR 59.6/100
CLAIMS-RICH 18.9 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2023–2025 · 3y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Admatechs Co., Ltd. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Ahlstrom’s 59.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 10.2 pts (17%) Velocity 20.0 pts (34%) Breadth 18.0 pts (30%) Claim depth 11.4 pts (19%)

Qualcomm Incorporated · highest

85
Ahlstrom OYJ · this assignee

60
3D Lighting… · lowest

7

What this shows Ahlstrom's Innovation Score is 59.6/100 (top 4% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Ahlstrom?

Each dot is one of Ahlstrom’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Ahlstrom’s own 18.9 claims/patent is ABOVE the 16.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Ahlstrom vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Ahlstrom's grants concentrate

Ahlstrom OYJ is a focused PatentsView assignee: 26 CPC subclasses with 50% of grants classified under B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form). Peak complete grant year is 2024 (11 grants) versus a trough of 4 in 2023. By volume, Ahlstrom sits between Admatechs Co., Ltd. and Anexa Labs LLC.

Ahlstrom's three-year grant acceleration

Ahlstrom OYJ shows 15 grants in 2022–2024 against only 0 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Admatechs

18
ADT US Holdings

18
Aegis Therapeutics

18
AFL IG

18
Airgap Networks

18
Alectos Therapeut…

18
Ambit Biosciences

18
Anexa Labs

18
Ahlstrom OYJ ◀

18

What this shows Ahlstrom holds 18 patents at rank #15,793, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ahlstrom

By rank, the assignees closest to #15,793 in granted patent volume.

Leaders in B32B (Layered Products)

Other assignees with the most granted patents in Ahlstrom's primary technology class.

Ahlstrom's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

60 Top 4% higher than 96% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

Ahlstrom OYJ patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	4	22.2%
2024	11	61.1%
2025partial year	3	16.7%

Which technologies does Ahlstrom OYJ patent most?

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 9

D21H - Pulp COMPOSITIONS; Preparation Thereof NOT Covered BY Subclasses D21c OR D21D; Impregnating OR Coating OF PAPER; Treatment OF Finished Paper NOT Covered BY Class B31 OR Subclass D21G; Paper NOT Otherwise Provided FOR 6

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 5

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 5

B01D - Separation 5

Y10T - Technical Subjects Covered BY Former US Classification 4

D04H - Making Textile Fabrics, e.g. From Fibres OR Filamentary Material ; Fabrics Made BY Such Processes OR Apparatus, e.g. Felts, Non-woven FABRICS; COTTON-WOOL; Wadding ; ; Non-woven Fabrics From Staple Fibres, Filaments OR Yarns, Bonded With AT Least ONE Web-like Material During Their Consolidation 4

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 2

B41M - Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, 2

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 1

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 1

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 1

Top 15 of 26 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Ahlstrom OYJ's patent record in context - here's where to go next.

Ahlstrom OYJ's lead technology class is B32B (Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form), 50% of its portfolio - see every assignee active in that class. Explore B32B
Ranked #15,799 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ahlstrom OYJ against Admatechs Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 59.6/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.