Where does Duvas Technologies Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Duvas Technologies Limited ranks #35,081 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 Duvas Technologies Limited hold?

Duvas Technologies Limited holds 7 US utility patents granted between 2015 and 2021, spanning 4 technology areas.

What is Duvas Technologies Limited's Innovation Score?

Duvas Technologies Limited has an Innovation Score of 24.0 out of 100 (14th 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 Duvas Technologies Limited focus on?

Duvas Technologies Limited's top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 7 patents, ranking #2,018 of 7,863 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Duvas Technologies Limited's patent grant rate increasing or decreasing?

Duvas Technologies Limited's recent grant velocity is -25% 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 Duvas Technologies Limited's patents?

Duvas Technologies Limited's patents average 16.3 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 Duvas Technologies 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

Duvas Technologies Limited

USPTO PatentsView assignee record - 7 granted patents across 4 technology areas, recorded in grant years 2015–2021. 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Duvas ranks #35,081 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 4 technology areas.

#35,081
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.0/100): 16.3
avg claims per patent: -25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R35081 · Foreign Corporation #35,081 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #35,081/49,997
PHOTO-FINISH Dryfhout Enterprises
CPC-NARROW G01N · 4 areas
INNOV-THIN 24.0/100
CLAIMS-RICH 16.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Dryfhout Enterprises, LLC (±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 Duvas’s 24.0 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 7.2 pts (30%) Velocity 0.0 pts (0%) Breadth 7.1 pts (29%) Claim depth 9.8 pts (41%)

Qualcomm Incorporated · highest

85
Duvas · this assignee

24
3D Lighting… · lowest

7

What this shows Duvas's Innovation Score is 24.0/100 (14th 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 Duvas?

Each dot is one of Duvas’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). Duvas’s own 16.3 claims/patent is ABOVE the 13.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Duvas's grants concentrate

Duvas Technologies Limited is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2021 (3 grants) versus a trough of 1 in 2015. By volume, Duvas sits between Dryfhout Enterprises, LLC and Dynamic Mesh Networks, Inc..

Dryfhout Enterpri…

7
Duck Yang Industry

7
Dunlop Oil & Mari…

7
Durafuse Frames

7
Dwellwell Analyti…

7
Dyconex

7
Dyna-tech Sales

7
Dynamic Mesh Netw…

7
Duvas ◀

7

What this shows Duvas holds 7 patents at rank #35,080, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Duvas

By rank, the assignees closest to #35,080 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Duvas's Innovation Score vs. every tracked assignee

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

24 14th percentile higher than 14% 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 · 2015–2021

Grants by year

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

View data table

Duvas Technologies Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2016	1	14.3%
2018	2	28.6%
2021	3	42.9%

Which technologies does Duvas Technologies Limited patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 6

G02B - Optical Elements, Systems OR Apparatus 2

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 1

Top 4 of 4 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

Duvas Technologies Limited's patent record in context - here's where to go next.

Duvas Technologies Limited's lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 100% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #35,081 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Duvas Technologies Limited against Dryfhout Enterprises, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.0/100 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.