Where does Ductmate Industries, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ductmate Industries, Inc. ranks #31,458 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 Ductmate Industries, Inc. hold?

Ductmate Industries, Inc. holds 8 US utility patents granted between 2015 and 2021, spanning 8 technology areas.

What is Ductmate Industries, Inc.'s Innovation Score?

Ductmate Industries, Inc. has an Innovation Score of 25.8 out of 100 (18th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ductmate Industries, Inc.'s patent grant rate increasing or decreasing?

Ductmate Industries, Inc.'s recent grant velocity is +0% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Ductmate Industries, Inc.'s patents?

Ductmate Industries, Inc.'s patents average 13.8 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 Ductmate Industries, Inc. 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 US Corporation

Ductmate Industries, Inc.

Q: What technology areas does Ductmate Industries, Inc. focus on?

Ductmate Industries, Inc.'s top technology area is F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening) with 7 patents. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 8 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: F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ductmate ranks #31,458 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 8 technology areas.

#31,458
of 49,997 US assignees by volume: 18th percentile
by Innovation Score (25.8/100): 13.8
avg claims per patent: +0%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R31458 · US Corporation #31,458 · 8 grants

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

GRANTS-MICRO 8 grants
MID-PACK #31,458/49,997
PHOTO-FINISH Drapho Technology
CPC-NARROW F24F · 8 areas
INNOV-THIN 25.8/100
CLAIMS-RICH 13.8 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT +0% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Drapho Electronics Technology., Ltd (±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
BenedorTSE · near

26
TeraFlex · near

26
Ductmate Industries · this assignee

26
Korea United Pharm · near

26
Enopace Biomedical · near

26
3D Lighting… · lowest

7

What this shows Ductmate's Innovation Score is 25.8/100 (18th 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 Ductmate's grants concentrate

Ductmate Industries, Inc. is a focused PatentsView assignee: 8 CPC subclasses with 87.5% of grants classified under F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2021. By volume, Ductmate sits between Drapho Electronics Technology., Ltd and Dyno Nobel Asia Pacific Pty Limited.

Drapho Technology

8
Drax Power

8
Dryfhout Properti…

8
Dubois Chemicals

8
Durham Enterprises

8
Dynavap

8
Dynisco Instrumen…

8
Dyno Nobel Asia P…

8
Ductmate Industri… ◀

8

What this shows Ductmate holds 8 patents at rank #31,466, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ductmate

By rank, the assignees closest to #31,466 in granted patent volume.

Leaders in F24F (Air-conditioning)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Ductmate, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (26 here).

Korea United Pharm. Inc. 26 TeraFlex, Inc. 26 BenedorTSE LLC 26 Enopace Biomedical Ltd. 26

Ductmate's Innovation Score vs. every tracked assignee

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

26 18th percentile higher than 18% 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

Ductmate Industries, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	25.0%
2019	2	25.0%
2020	3	37.5%
2021	1	12.5%

Which technologies does Ductmate Industries, Inc. patent most?

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 7

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 6

Y10T - Technical Subjects Covered BY Former US Classification 5

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 2

B05C - Apparatus FOR Applying Fluent Materials TO Surfaces, IN General 1

B21C - Manufacture OF Metal Sheets, Wire, Rods, Tubes, Profiles OR Like Semi-manufactured Products Otherwise Than BY ROLLING; Auxiliary Operations Used IN Connection With Metal-working Without Essentially Removing Material 1

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 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

Top 8 of 8 technology areas

Where it ranks

Overall rank by patents

#31,458

of 49,997 tracked assignees

Innovation Score

25.8 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

Ductmate Industries, Inc.'s patent record in context - here's where to go next.

Ductmate Industries, Inc.'s lead technology class is F24F (AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening), 87.5% of its portfolio - see every assignee active in that class. Explore F24F
Ranked #31,458 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ductmate Industries, Inc. against Drapho Electronics Technology., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.8/100 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.