Worthington Steel, Inc. (WS)
NYSE: WS · Steel Works, Blast Furnaces & Rolling & Finishing Mills · Columbus, OH · filing with the SEC since 2023
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202632 patents granted to the 9 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Worthington Steel, Inc.’s names, not what it holds today.
Patents granted
32
32 utility, 1976 to Dec 31, 2025
Granted in 2025
1
Against 4 in 2024 and none in 2023
Applications published
23
3 of them in 2025
Names they are printed under
9
a subsidiary
By yearGrantedApplications published
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Machine tools2
Electrical machinery, apparatus, energy2
Thermal processes and apparatus2
Mechanical elements1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name9 counted
Tempel Steel Company a subsidiary
US, as the owner printed on each patent
9 published
International Machinery Sales, Inc a subsidiary
US, as the owner printed on each patent
0 published
BIGREP GMBH a subsidiary
DE, as the owner printed on each patent
4 published
KLOECKNER METALS CORPORATION a subsidiary
named as the applicant on its applications, in US
4 published
Kloeckner Metals Corporation a subsidiary
US, as the owner printed on each patent
0 published
TWB COMPANY, LLC a subsidiary
named as the applicant on its applications, in US
4 published
TWB COMPANY, LLC a subsidiary
US, as the owner printed on each patent
0 published
BIGREP GMBH a subsidiary
named as the applicant on its applications, in DE
1 published
TEMPEL STEEL COMPANY a subsidiary
named as the applicant on its applications, in US
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Nov 11, 2025 | 12,466,003 | Variable gage blank | Machine tools | TWB COMPANY, LLC |
| Aug 6, 2024 | 12,057,802 | Tabbed structural bracket | Mechanical elements | Kloeckner Metals Corporation |
| Jun 25, 2024 | 12,021,485 | Insertion rail for a solar module mounting system | Electrical machinery, apparatus, energy | Kloeckner Metals Corporation |
| Jun 11, 2024 | 12,009,777 | Solar panel rail | Thermal processes and apparatus | Kloeckner Metals Corporation |
| Apr 9, 2024 | 11,955,924 | Solar tracking mounting system | Thermal processes and apparatus | Kloeckner Metals Corporation |
| Jan 11, 2022 | 11,223,262 | Rotating punch with a relief feature for forming IPM motor rotor | Electrical machinery, apparatus, energy | Tempel Steel Company |
| Dec 14, 2021 | 11,198,195 | Welded blank assembly and method | Machine tools | TWB COMPANY, LLC |
| Aug 6, 2019 | 10,374,497 | Method to manufacture improved exciter for an electrical generator | Materials, metallurgy | Tempel Steel Company |
| Dec 15, 2015 | 9,214,845 | Process for annealing of helical wound cores used for automotive alternator applications | Electrical machinery, apparatus, energy | Tempel Steel Company |
| Oct 7, 2014 | 8,854,169 | Automotive ignition coil having a core with at least one embedded permanent magnet | Electrical machinery, apparatus, energy | Tempel Steel Company |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Aug 28, 2025 | 2025/0269416 | IN-LINE ADHESIVE PROCESS FOR LAMINATED CORES | Electrical machinery, apparatus, energy | TEMPEL STEEL COMPANY |
| Jun 19, 2025 | 2025/0202407 | PANEL RAIL FOR A SOLAR MOUTING ASSEMBLY | Electrical machinery, apparatus, energy | KLOECKNER METALS CORPORATION |
| May 22, 2025 | 2025/0164155 | BEARING ASSEMBLY FOR A SOLAR MOUNTING SYSTEM | Thermal processes and apparatus | KLOECKNER METALS CORPORATION |
| Oct 17, 2024 | 2024/0348200 | INSERTION RAIL FOR A SOLAR MODULE MOUNTING SYSTEM | Electrical machinery, apparatus, energy | KLOECKNER METALS CORPORATION |
| Oct 3, 2024 | 2024/0333208 | SOLAR PANEL RAIL | Thermal processes and apparatus | KLOECKNER METALS CORPORATION |
| Apr 27, 2023 | 2023/0127782 | VARIABLE GAGE BLANK | Machine tools | TWB COMPANY, LLC · patent 12,466,003 granted from it |
| Oct 6, 2022 | 2022/0314539 | 3D-PRINTING HOUSING NOZZLE | Other special machines | BIGREP GMBH |
| Oct 6, 2022 | 2022/0314538 | RESERVOIR-3D-PRINTHEAD | Other special machines | BIGREP GMBH |
| Aug 25, 2022 | 2022/0268275 | POSITIVE DISPLACEMENT PUMP SHAFT BEARING ASSEMBLY | Engines, pumps, turbines | BIGREP GMBH |
| Feb 17, 2022 | 2022/0048141 | METHOD OF PREPARING AN ALUMINUM METAL PIECE FOR WELDING | Machine tools | TWB COMPANY, LLC |
What it applied for, 2024 to 2025: Electrical machinery, apparatus, energy 3 · Thermal processes and apparatus 2.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.