Where does Keystone Tower Systems, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Keystone Tower Systems, Inc. ranks #10,370 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 Keystone Tower Systems, Inc. hold?

Keystone Tower Systems, Inc. holds 30 US utility patents granted between 2016 and 2025, spanning 14 technology areas.

What is Keystone Tower Systems, Inc.'s Innovation Score?

Keystone Tower Systems, Inc. has an Innovation Score of 40.0 out of 100 (top 37% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Keystone Tower Systems, Inc.'s patent grant rate increasing or decreasing?

Keystone Tower Systems, Inc.'s recent grant velocity is +60% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Keystone Tower Systems, Inc.'s patents?

Keystone Tower Systems, Inc.'s patents average 14.8 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 Keystone Tower Systems, 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

Keystone Tower Systems, Inc.

Q: What technology areas does Keystone Tower Systems, Inc. focus on?

Keystone Tower Systems, Inc.'s top technology area is 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) with 25 patents, ranking #4 of 268 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 30 granted patents across 14 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: 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 RE).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Keystone ranks #10,370 of 49,997 tracked US assignees by granted-patent volume, with 30 patents across 14 technology areas.

#10,370
of 49,997 US assignees by volume: Top 37%
by Innovation Score (40.0/100): 14.8
avg claims per patent: +60%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10370 · US Corporation #10,370 · 30 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 30 grants
UPPER-Q #10,370/49,997
PHOTO-FINISH Isowa
CPC-FOCUS B21C · 14 areas
INNOV-PAR 40.0/100
CLAIMS-RICH 14.8 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +60% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kabushiki Kaisha Isowa (±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 Keystone’s 40.0 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 11.9 pts (30%) Velocity 6.1 pts (15%) Breadth 13.2 pts (33%) Claim depth 8.9 pts (22%)

Qualcomm Incorporated · highest

85
Botrista Technology · near

40
Ceramatec · near

40
Keystone Tower Systems · this assignee

40
Malvern Panalytical · near

40
Velano Vascular · near

40
3D Lighting… · lowest

7

What this shows Keystone's Innovation Score is 40.0/100 (top 37% 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 Keystone?

Each dot is one of Keystone’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). Keystone’s own 14.8 claims/patent is ABOVE the 10.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Keystone's grants concentrate

Keystone Tower Systems, Inc. is a focused PatentsView assignee: 14 CPC subclasses with 83.3% of grants classified under 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 RE). Peak complete grant year is 2023 (6 grants) versus a trough of 1 in 2024. By volume, Keystone sits between Kount Inc. and Kwik Tek, Inc..

Keystone's three-year grant acceleration

Keystone Tower Systems, Inc. shows 10 grants in 2022–2024 against only 11 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.

Kount

30
Kuka Systems

30
Isowa

30
Kao USA

30
Kohler (China) In…

30
Kolcraft Enterpri…

30
Koyo Bearings Nor…

30
Kwik Tek

30
Keystone Tower Sy… ◀

30

What this shows Keystone holds 30 patents at rank #10,374, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Keystone

By rank, the assignees closest to #10,374 in granted patent volume.

Leaders in B21C (Manufacture OF Metal Sheets)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Keystone, neither rank-band nor same-CPC leaders (those blocks stay above). In B21C (Manufacture OF Metal Sheets), Keystone ranks #4 of 268 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (40 here).

Botrista Technology, Inc. 40 Velano Vascular, Inc. 40 Ceramatec, Inc. 40 Malvern Panalytical Limited 40

Keystone's Innovation Score vs. every tracked assignee

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

40 Top 37% higher than 63% 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

Keystone Tower Systems, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	3	10.0%
2018	2	6.7%
2019	5	16.7%
2020	3	10.0%
2021	3	10.0%
2022	3	10.0%
2023	6	20.0%
2024	1	3.3%
2025partial year	4	13.3%

Which technologies does Keystone Tower Systems, Inc. patent most?

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 25

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 19

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 18

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 12

B21B - Rolling OF Metal 9

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 7

F03D - Wind Motors 5

F05B - Indexing Scheme Relating TO Wind, Spring, Weight, Inertia OR Like Motors, TO Machines OR Engines FOR Liquids Covered BY Subclasses F03b, F03d AND F03g 5

Y10T - Technical Subjects Covered BY Former US Classification 4

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 3

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 3

E06C - Ladders 2

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

Top 14 of 14 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

Keystone Tower Systems, Inc.'s patent record in context - here's where to go next.

Keystone Tower Systems, Inc.'s lead technology class is 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 RE), 83.3% of its portfolio - see every assignee active in that class. Explore B21C
Ranked #10,370 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Keystone Tower Systems, Inc. against Kount Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.0/100 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.