Where does Ewald DÖRKEN AG rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ewald DÖRKEN AG ranks #13,978 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 Ewald DÖRKEN AG hold?

Ewald DÖRKEN AG holds 21 US utility patents granted between 2015 and 2025, spanning 28 technology areas.

What is Ewald DÖRKEN AG's Innovation Score?

Ewald DÖRKEN AG has an Innovation Score of 51.7 out of 100 (top 11% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Ewald DÖRKEN AG focus on?

Ewald DÖRKEN AG'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 8 patents, ranking #499 of 3,088 assignees active in that subclass. Grants appear in 28 CPC subclasses total.

Is Ewald DÖRKEN AG's patent grant rate increasing or decreasing?

Ewald DÖRKEN AG's recent grant velocity is +50% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Ewald DÖRKEN AG's patents?

Ewald DÖRKEN AG's patents average 17.1 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 Ewald DÖRKEN AG 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

Ewald DÖRKEN AG

USPTO PatentsView assignee record - 21 granted patents across 28 technology areas, recorded in grant years 2015–2025. 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, Ewald ranks #13,978 of 49,997 tracked US assignees by granted-patent volume, with 21 patents across 28 technology areas.

#13,978
of 49,997 US assignees by volume: Top 11%
by Innovation Score (51.7/100): 17.1
avg claims per patent: +50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R13978 · Foreign Corporation #13,978 · 21 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 21 grants
MID-PACK #13,978/49,997
PHOTO-FINISH Ecole Normale…
CPC-FOCUS B32B · 28 areas
INNOV-PAR 51.7/100
CLAIMS-RICH 17.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ecole Normale Superieure De Cachan (±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 Ewald’s 51.7 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 10.7 pts (21%) Velocity 12.0 pts (23%) Breadth 18.7 pts (36%) Claim depth 10.3 pts (20%)

Qualcomm Incorporated · highest

85
Ewald DÖRKEN · this assignee

52
3D Lighting… · lowest

7

What this shows Ewald's Innovation Score is 51.7/100 (top 11% 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 Ewald?

Each dot is one of Ewald’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). Ewald’s own 17.1 claims/patent is ABOVE the 15.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Ewald's grants concentrate

Ewald DÖRKEN AG is a focused PatentsView assignee: 28 CPC subclasses with 38.1% 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 (4 grants) versus a trough of 1 in 2015. By volume, Ewald sits between Emergency Alert Solutions Group, LLC and Elsevier Inc..

Ewald's three-year grant acceleration

Ewald DÖRKEN AG shows 9 grants in 2022–2024 against only 5 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.

Emergency Alert S…

21
Empi

21
Epigenomics

21
Erae AMS

21
Exela Pharma Scie…

21
Ecole Normale Sup…

21
Imaging Services

21
Elsevier

21
Ewald DÖRKEN ◀

21

What this shows Ewald holds 21 patents at rank #13,964, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ewald

By rank, the assignees closest to #13,964 in granted patent volume.

Leaders in B32B (Layered Products)

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

Ewald's Innovation Score vs. every tracked assignee

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

52 Top 11% higher than 89% 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 · 2015–2025

Grants by year

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

View data table

Ewald DÖRKEN AG patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	4.8%
2016	2	9.5%
2017	2	9.5%
2018	1	4.8%
2019	2	9.5%
2020	2	9.5%
2021	1	4.8%
2022	2	9.5%
2023	3	14.3%
2024	4	19.0%
2025partial year	1	4.8%

Which technologies does Ewald DÖRKEN AG patent most?

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 8

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 6

E04D - Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools 5

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 5

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 5

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 5

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 4

Y10T - Technical Subjects Covered BY Former US Classification 3

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 3

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 2

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 2

C23F - Non-mechanical Removal OF Metallic Material From Surface ; Inhibiting Corrosion OF Metallic Material OR Incrustation IN GENERAL; Multi-step Processes FOR Surface Treatment OF Metallic Material Involving AT Least ONE Process Provided FOR IN Class C23 AND AT Least ONE Process Covered BY Subclass C21d 2

D01F - Chemical Features IN THE Manufacture OF Artificial Filaments, Threads, Fibres, Bristles OR RIBBONS; Apparatus Specially Adapted FOR THE Manufacture OF Carbon Filaments 2

D01D - Mechanical Methods OR Apparatus IN THE Manufacture OF Artificial Filaments, Threads, Fibres, Bristles OR Ribbons 2

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

Top 15 of 28 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

Ewald DÖRKEN AG's patent record in context - here's where to go next.

Ewald DÖRKEN AG'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), 38.1% of its portfolio - see every assignee active in that class. Explore B32B
Ranked #13,978 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ewald DÖRKEN AG against Emergency Alert Solutions Group, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 51.7/100 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.