Where does Cleveland-Cliffs Steel Properties Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Cleveland-Cliffs Steel Properties Inc. ranks #14,535 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 Cleveland-Cliffs Steel Properties Inc. hold?

Cleveland-Cliffs Steel Properties Inc. holds 20 US utility patents granted between 2021 and 2025, spanning 17 technology areas.

What is Cleveland-Cliffs Steel Properties Inc.'s Innovation Score?

Cleveland-Cliffs Steel Properties Inc. has an Innovation Score of 47.4 out of 100 (top 19% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Cleveland-Cliffs Steel Properties Inc.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Cleveland-Cliffs Steel Properties Inc..

What does claim depth mean for Cleveland-Cliffs Steel Properties Inc.'s patents?

Cleveland-Cliffs Steel Properties Inc.'s patents average 13.1 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 Cleveland-Cliffs Steel Properties 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

Cleveland-Cliffs Steel Properties Inc.

Q: What technology areas does Cleveland-Cliffs Steel Properties Inc. focus on?

Cleveland-Cliffs Steel Properties Inc.'s top technology area is C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General) with 11 patents, ranking #234 of 1,658 assignees active in that subclass. Grants appear in 17 CPC subclasses total.

USPTO PatentsView assignee record - 20 granted patents across 17 technology areas, recorded in grant years 2021–2025. 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: C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Cleveland-cliffs ranks #14,535 of 49,997 tracked US assignees by granted-patent volume, with 20 patents across 17 technology areas.

#14,535
of 49,997 US assignees by volume: Top 19%
by Innovation Score (47.4/100): 13.1
avg claims per patent

USPTO PatentsView assignee plate

Corpus R14535 · US Corporation #14,535 · 20 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · SPAN-YRS · BOOK-RICH

GRANTS-SMALL 20 grants
MID-PACK #14,535/49,997
PHOTO-FINISH Chemistry Design Werks
CPC-FOCUS C23C · 17 areas
INNOV-PAR 47.4/100
CLAIMS-RICH 13.1 claims/avg
TYPE-USCORP US Corporation
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Chemistry Design Werks, 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 Cleveland-cliffs’s 47.4 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 10.5 pts (22%) Velocity 14.4 pts (30%) Breadth 14.6 pts (31%) Claim depth 7.9 pts (17%)

Qualcomm Incorporated · highest

85
Cleveland-Cliffs… · this assignee

47
ContiTech USA · near

47
Shya Hsin Packaging… · near

47
TE Connectivity… · near

47
The United States… · near

47
3D Lighting… · lowest

7

What this shows Cleveland-cliffs's Innovation Score is 47.4/100 (top 19% 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 Cleveland-cliffs?

Each dot is one of Cleveland-cliffs’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). Cleveland-cliffs’s own 13.1 claims/patent is ABOVE the 12.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Cleveland-cliffs's grants concentrate

Cleveland-Cliffs Steel Properties Inc. is a focused PatentsView assignee: 17 CPC subclasses with 55% of grants classified under C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap). Peak complete grant year is 2024 (8 grants) versus a trough of 2 in 2023. By volume, Cleveland-cliffs sits between Chemistry Design Werks, LLC and Coroplast Fritz Müller Gmbh & Co. KG.

Cleveland-cliffs's three-year grant acceleration

Cleveland-Cliffs Steel Properties Inc. shows 13 grants in 2022–2024 against only 6 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.

Chemistry Design…

20
China Petrochemic…

20
Clean Chemistry

20
Clear Cove Systems

20
Cloud Linux Softw…

20
Consumer 2 0

20
Consumerdirect

20
Coroplast Fritz M…

20
Cleveland-cliffs… ◀

20

What this shows Cleveland-Cliffs holds 20 patents at rank #14,545, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cleveland-Cliffs

By rank, the assignees closest to #14,545 in granted patent volume.

Leaders in C23C (Coating Metallic Material)

Other assignees with the most granted patents in Cleveland-Cliffs's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Cleveland-Cliffs, neither rank-band nor same-CPC leaders (those blocks stay above). In C23C (Coating Metallic Material), Cleveland-Cliffs ranks #234 of 1,658 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (47 here).

ContiTech USA, Inc. 47 TE Connectivity India Private Limited 47 Shya Hsin Packaging Industry (CHINA) Co., Ltd. 47 The United States of America as Represented by the Secretary, Dept. of Health and Human Services 47

Cleveland-cliffs's Innovation Score vs. every tracked assignee

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

47 Top 19% higher than 81% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Cleveland-Cliffs Steel Properties Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	6	30.0%
2022	3	15.0%
2023	2	10.0%
2024	8	40.0%
2025partial year	1	5.0%

Which technologies does Cleveland-Cliffs Steel Properties Inc. patent most?

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 11

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 6

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 5

C22C - Alloys 4

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 3

Y10T - Technical Subjects Covered BY Former US Classification 2

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 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 2

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 2

B24C - Abrasive OR Related Blasting With Particulate Material 1

C23F - Non-mechanical Removal OF Metallic Material From Surface ; Inhibiting Corrosion OF Metallic Material OR Incrustation IN GENERAL; Multi-step Processes FOR Surface Treatment OF Metallic Material Involving AT Least ONE Process Provided FOR IN Class C23 AND AT Least ONE Process Covered BY Subclass C21d 1

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 1

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 1

Top 15 of 17 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

Cleveland-Cliffs Steel Properties Inc.'s patent record in context - here's where to go next.

Cleveland-Cliffs Steel Properties Inc.'s lead technology class is C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap), 55% of its portfolio - see every assignee active in that class. Explore C23C
Ranked #14,535 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Cleveland-Cliffs Steel Properties Inc. against Chemistry Design Werks, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 47.4/100 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.