Where does Dürr Ecoclean GmbH rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dürr Ecoclean GmbH ranks #31,471 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 Dürr Ecoclean GmbH hold?

Dürr Ecoclean GmbH holds 8 US utility patents granted between 2016 and 2018, spanning 6 technology areas.

What is Dürr Ecoclean GmbH's Innovation Score?

Dürr Ecoclean GmbH has an Innovation Score of 21.3 out of 100 (8th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Dürr Ecoclean GmbH's patent grant rate increasing or decreasing?

Dürr Ecoclean GmbH'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 Dürr Ecoclean GmbH's patents?

Dürr Ecoclean GmbH's patents average 8.4 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 Dürr Ecoclean GmbH 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

Dürr Ecoclean GmbH

Q: What technology areas does Dürr Ecoclean GmbH focus on?

Dürr Ecoclean GmbH's top technology area is B08B (Cleaning IN GENERAL; Prevention OF Fouling IN General) with 4 patents. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 6 technology areas, recorded in grant years 2016–2018. 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: B08B (Cleaning IN GENERAL; Prevention OF Fouling IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Dürr ranks #31,471 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 6 technology areas.

#31,471
of 49,997 US assignees by volume: 8th percentile
by Innovation Score (21.3/100): 8.4
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R31471 · Foreign Corporation #31,471 · 8 grants

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

GRANTS-MICRO 8 grants
MID-PACK #31,471/49,997
PHOTO-FINISH Durham Enterprises
CPC-NARROW B08B · 6 areas
INNOV-THIN 21.3/100
CLAIMS-PAR 8.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Durham Enterprises Corporation (±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.

Qualcomm Incorporated · highest

85
Dürr Ecoclean · this assignee

21
3D Lighting… · lowest

7

What this shows Dürr's Innovation Score is 21.3/100 (8th 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.

Where Dürr's grants concentrate

Dürr Ecoclean GmbH is a focused PatentsView assignee: 6 CPC subclasses with 50% of grants classified under B08B (Cleaning IN GENERAL; Prevention OF Fouling IN General). Peak complete grant year is 2017 (5 grants) versus a trough of 1 in 2018. By volume, Dürr sits between Durham Enterprises Corporation and E2 Limited.

Durham Enterprises

8
Dynavap

8
Dynisco Instrumen…

8
Dyno Nobel Asia P…

8
E-motor USA

8
E-Z Bead

8
E I Spectra

8
E2

8
Dürr Ecoclean ◀

8

What this shows Dürr holds 8 patents at rank #31,471, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dürr

By rank, the assignees closest to #31,471 in granted patent volume.

Leaders in B08B (Cleaning IN General)

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

Dürr's Innovation Score vs. every tracked assignee

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

21 8th percentile higher than 8% 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 · 2016–2018

Grants by year

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

View data table

Dürr Ecoclean GmbH patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	25.0%
2017	5	62.5%
2018	1	12.5%

Which technologies does Dürr Ecoclean GmbH patent most?

B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General 4

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 2

H01L - Semiconductor Devices NOT Covered BY Class H10 1

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 1

F26B - Drying Solid Materials OR Objects BY Removing Liquid Therefrom 1

B25J - MANIPULATORS; Chambers Provided With Manipulation Devices 1

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#31,471

of 49,997 tracked assignees

Innovation Score

21.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Dürr Ecoclean GmbH's patent record in context - here's where to go next.

Dürr Ecoclean GmbH's lead technology class is B08B (Cleaning IN GENERAL; Prevention OF Fouling IN General), 50% of its portfolio - see every assignee active in that class. Explore B08B
Ranked #31,471 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dürr Ecoclean GmbH against Durham Enterprises Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.3/100 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.