Where does D-Line (Europe) Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), D-Line (Europe) Limited ranks #14,553 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 D-Line (Europe) Limited hold?

D-Line (Europe) Limited holds 20 US utility patents granted between 2016 and 2025, spanning 3 technology areas.

What is D-Line (Europe) Limited's Innovation Score?

D-Line (Europe) Limited has an Innovation Score of 22.2 out of 100 (10th 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 D-Line (Europe) Limited focus on?

D-Line (Europe) Limited's top technology area is H02G (Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines) with 1 patents, ranking #552 of 985 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

Is D-Line (Europe) Limited's patent grant rate increasing or decreasing?

D-Line (Europe) Limited's recent grant velocity is -42% 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 D-Line (Europe) Limited's patents?

D-Line (Europe) Limited's patents average 2.4 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 D-Line (Europe) Limited 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

D-Line (Europe) Limited

USPTO PatentsView assignee record - 20 granted patents across 3 technology areas, recorded in grant years 2016–2025. 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: H02G (Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, D-line ranks #14,553 of 49,997 tracked US assignees by granted-patent volume, with 20 patents across 3 technology areas.

#14,553
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.2/100): 2.4
avg claims per patent: -42%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14553 · Foreign Corporation #14,553 · 20 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 20 grants
MID-PACK #14,553/49,997
PHOTO-FINISH Coroplast Fritz…
CPC-NARROW H02G · 3 areas
INNOV-THIN 22.2/100
CLAIMS-SPARSE 2.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -42% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Coroplast Fritz Müller Gmbh & Co. KG (±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 D-line’s 22.2 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 10.5 pts (47%) Velocity 4.2 pts (19%) Breadth 6.1 pts (27%) Claim depth 1.4 pts (6%)

Qualcomm Incorporated · highest

85
D-Line (Europe) · this assignee

22
3D Lighting… · lowest

7

What this shows D-line's Innovation Score is 22.2/100 (10th 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 D-line?

Each dot is one of D-line’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). D-line’s own 2.4 claims/patent is at or below the 18.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where D-line's grants concentrate

D-Line (Europe) Limited is a focused PatentsView assignee: 3 CPC subclasses with 5% of grants classified under H02G (Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines). Peak complete grant year is 2019 (6 grants) versus a trough of 1 in 2017. By volume, D-line sits between Coroplast Fritz Müller Gmbh & Co. KG and Dephy, Inc..

D-line's three-year grant acceleration

D-Line (Europe) Limited shows 5 grants in 2022–2024 against only 8 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.

Coroplast Fritz M…

20
Coursera

20
Crane

20
Cryostar SAS

20
D E Shaw Research

20
Daelim Industrial

20
Danyang UPC Auto…

20
Dephy

20
D-line (Europe) ◀

20

What this shows D-Line holds 20 patents at rank #14,553, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near D-Line

By rank, the assignees closest to #14,553 in granted patent volume.

Leaders in H02G (Installation OF Electric Cables OR Lines)

Other assignees with the most granted patents in D-Line's primary technology class.

D-line's Innovation Score vs. every tracked assignee

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

22 10th percentile higher than 10% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

D-Line (Europe) Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	10.0%
2017	1	5.0%
2018	3	15.0%
2019	6	30.0%
2020	1	5.0%
2021	1	5.0%
2022	5	25.0%
2025partial year	1	5.0%

Which technologies does D-Line (Europe) Limited patent most?

H02G - Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines 1

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 1

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

Top 3 of 3 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

D-Line (Europe) Limited's patent record in context - here's where to go next.

D-Line (Europe) Limited's lead technology class is H02G (Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines), 5% of its portfolio - see every assignee active in that class. Explore H02G
Ranked #14,553 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare D-Line (Europe) Limited against Coroplast Fritz Müller Gmbh & Co. KG, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.2/100 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.