Where does Delk, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Delk, Inc. ranks #28,555 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 Delk, Inc. hold?

Delk, Inc. holds 9 US utility patents granted between 2017 and 2020, spanning 1 technology areas.

What is Delk, Inc.'s Innovation Score?

Delk, Inc. has an Innovation Score of 13.2 out of 100 (2nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Delk, Inc.'s recent grant velocity is -71% 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 Delk, Inc.'s patents?

Delk, Inc.'s patents average 2.9 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 Delk, 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

Delk, Inc.

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

Delk, Inc.'s top technology area is B60J (Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles) with 2 patents, ranking #204 of 418 assignees active in that subclass. Grants appear in 1 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 1 technology areas, recorded in grant years 2017–2020. 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: B60J (Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Delk ranks #28,555 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 1 technology areas.

#28,555
of 49,997 US assignees by volume: 2nd percentile
by Innovation Score (13.2/100): 2.9
avg claims per patent: -71%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R28555 · US Corporation #28,555 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 9 grants
MID-PACK #28,555/49,997
PHOTO-FINISH DE Poan Pneumatic
CPC-NARROW B60J · 1 areas
INNOV-LOW 13.2/100
CLAIMS-SPARSE 2.9 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -71% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: DE Poan Pneumatic Corp. (±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 Delk’s 13.2 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 8.0 pts (61%) Velocity 0.0 pts (0%) Breadth 3.5 pts (27%) Claim depth 1.7 pts (13%)

Qualcomm Incorporated · highest

85
Delk · this assignee

13
3D Lighting… · lowest

7

What this shows Delk's Innovation Score is 13.2/100 (2nd 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 Delk?

Each dot is one of Delk’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). Delk’s own 2.9 claims/patent is at or below the 12.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Delk's grants concentrate

Delk, Inc. is a focused PatentsView assignee: 1 CPC subclasses with 22.2% of grants classified under B60J (Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles). Peak complete grant year is 2018 (3 grants) versus a trough of 1 in 2017. By volume, Delk sits between DE Poan Pneumatic Corp. and Denso Daishin Corporation.

DE Poan Pneumatic

9
De-sta- Europe

9
Deckel Maho Seeba…

9
Deep BIO

9
Delo Industrie Kl…

9
Delta Scientific

9
Deltawing Technol…

9
Denso Daishin

9
Delk ◀

9

What this shows Delk holds 9 patents at rank #28,533, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Delk

By rank, the assignees closest to #28,533 in granted patent volume.

Leaders in B60J (Windows)

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

Delk's Innovation Score vs. every tracked assignee

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

13 2nd percentile higher than 2% 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 · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Delk, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	11.1%
2018	3	33.3%
2019	3	33.3%
2020	2	22.2%

Which technologies does Delk, Inc. patent most?

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles 2

Top 1 of 1 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

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

Delk, Inc.'s lead technology class is B60J (Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles), 22.2% of its portfolio - see every assignee active in that class. Explore B60J
Ranked #28,555 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Delk, Inc. against DE Poan Pneumatic Corp., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 13.2/100 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.