Where does Ahlstrom Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ahlstrom Corporation ranks #25,676 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 Corporation hold?

Ahlstrom Corporation holds 10 US utility patents granted between 2015 and 2019, spanning 14 technology areas.

What is Ahlstrom Corporation's Innovation Score?

Ahlstrom Corporation has an Innovation Score of 33.5 out of 100 (44th percentile 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 Corporation focus on?

Ahlstrom Corporation's top technology area is Y10T (Technical Subjects Covered BY Former US Classification) with 5 patents, ranking #2,382 of 9,657 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

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

Ahlstrom Corporation's recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

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

Ahlstrom Corporation's patents average 19.9 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 Corporation 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 Corporation

USPTO PatentsView assignee record - 10 granted patents across 14 technology areas, recorded in grant years 2015–2019. 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: Y10T (Technical Subjects Covered BY Former US Classification).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ahlstrom ranks #25,676 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 14 technology areas.

#25,676
of 49,997 US assignees by volume: 44th percentile
by Innovation Score (33.5/100): 19.9
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25676 · Foreign Corporation #25,676 · 10 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 10 grants
MID-PACK #25,676/49,997
PHOTO-FINISH Advanced Silicon
CPC-FOCUS Y10T · 14 areas
INNOV-THIN 33.5/100
CLAIMS-RICH 19.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Advanced Silicon SA (±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 33.5 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 8.3 pts (25%) Velocity 0.0 pts (0%) Breadth 13.2 pts (40%) Claim depth 11.9 pts (36%)

Qualcomm Incorporated · highest

85
Ahlstrom · this assignee

33
3D Lighting… · lowest

7

What this shows Ahlstrom's Innovation Score is 33.5/100 (44th percentile 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 19.9 claims/patent is ABOVE the 14.5 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 Corporation is a focused PatentsView assignee: 14 CPC subclasses with 50% of grants classified under Y10T (Technical Subjects Covered BY Former US Classification). Peak complete grant year is 2016 (5 grants) versus a trough of 1 in 2015. By volume, Ahlstrom sits between Advanced Silicon SA and Aix-Marseille Universite.

Advanced Silicon

10
Advantus

10
Aerovel

10
Agfa Offset BV

10
Aimmune Therapeut…

10
Airbus Corporate…

10
Aires Medical

10
Aix-marseille Uni…

10
Ahlstrom ◀

10

What this shows Ahlstrom holds 10 patents at rank #25,754, 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 #25,754 in granted patent volume.

Leaders in Y10T (Technical Subjects Covered BY Former US Classification)

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)

33 44th percentile higher than 44% 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 · 2015–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Ahlstrom Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	10.0%
2016	5	50.0%
2017	3	30.0%
2019	1	10.0%

Which technologies does Ahlstrom Corporation patent most?

Y10T - Technical Subjects Covered BY Former US Classification 5

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 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 3

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 3

B01D - Separation 3

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

D10B - Indexing Scheme Associated With Sublasses OF Section D, Relating TO Textiles 2

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 1

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

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 1

A61B - DIAGNOSIS; SURGERY; Identification 1

D06C - Finishing, Dressing, Tentering OR Stretching Textile Fabrics 1

Top 14 of 14 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 Corporation's patent record in context - here's where to go next.

Ahlstrom Corporation's lead technology class is Y10T (Technical Subjects Covered BY Former US Classification), 50% of its portfolio - see every assignee active in that class. Explore Y10T
Ranked #25,676 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ahlstrom Corporation against Advanced Silicon SA, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.5/100 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.