The Timken Company (TKR)
NYSE: TKR · Ball & Roller Bearings · North Canton, OH · filing with the SEC since 1994
Grade5.0
◀ Past 7.2● Present 4.3▶ Future 3.6
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026432 patents granted to the 29 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 The Timken Company’s names, not what it holds today.
Patents granted
432
419 utility, 9 design, 4 reissue, 1976 to Dec 31, 2025
Granted in 2025
6
Against 8 in 2024 and 8 in 2023
Applications published
279
11 of them in 2025
Names they are printed under
29
its own name, 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
Mechanical elements15
Electrical machinery, apparatus, energy6
Environmental technology4
Engines, pumps, turbines3
Basic materials chemistry2
Measurement2
Surface technology, coating2
Other special machines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name29 counted
THE TIMKEN COMPANY its own name
US, as the owner printed on each patent. 5 more under the same name are not counted (printed in DE)
129 published
Timken US Corporation a subsidiary
US, as the owner printed on each patent
41 published
The Timken Company its own name
named as the applicant on its applications, in US
61 published
Des-Case Corporation a subsidiary
US, as the owner printed on each patent
0 published
DES-CASE CORPORATION a subsidiary
named as the applicant on its applications, in US
14 published
GGB, Inc. a subsidiary
named as the applicant on its applications, in US
11 published
GGB, Inc. a subsidiary
US, as the owner printed on each patent
2 published
Lovejoy Corporation, Inc. a subsidiary
US, as the owner printed on each patent
1 published
MPB a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in CA)
0 published
PT Tech, LLC a subsidiary
US, as the owner printed on each patent
0 published
GROENEVELD TRANSPORT EFFICIENCY B.V. a subsidiary
NL, as the owner printed on each patent
1 published
PT Tech, LLC a subsidiary
named as the applicant on its applications, in US
5 published
Cone Drive Operations, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Rollon S.p.A. a subsidiary
IT, as the owner printed on each patent
1 published
SPINEA S.R.O. a subsidiary
SK, as the owner printed on each patent
0 published
Cone Drive Operations, Inc. a subsidiary
named as the applicant on its applications, in US
3 published
Nautilus Solutions, Inc. a subsidiary
US, as the owner printed on each patent
0 published
Rail Bearing Service a subsidiary
US, as the owner printed on each patent
0 published
GROENEVELD-BEKA GMBH a subsidiary
DE, as the owner printed on each patent
0 published
Innovative Mechanical Solutions, LLC a subsidiary
named as the applicant on its applications, in US
2 published
Lagersmit Sealing Solutions B.V. a subsidiary
NL, as the owner printed on each patent
1 published
SPINEA, S.R.O. a subsidiary
named as the applicant on its applications, in SK
2 published
Timken SMO LLC a subsidiary
US, as the owner printed on each patent
0 published
American Roller Bearing Company a subsidiary
US, as the owner printed on each patent
0 published
DIAMOND CHAIN COMPANY, INC. a subsidiary
named as the applicant on its applications, in US
1 published
GROENEVELD TRANSPORT EFFICIENCY B.V. a subsidiary
named as the applicant on its applications, in NL
1 published
LOVEJOY, INC. a subsidiary
named as the applicant on its applications, in US
1 published
Nautilus Solutions, LLC a subsidiary
named as the applicant on its applications, in US
1 published
Timken SMO LLC a subsidiary
named as the applicant on its applications, in US
1 published
Names not counted (4)
Nadella Inc.
Most of its patents print FR; this name counts in US. 29 granted and 0 published under it are not counted.
Nadella Inc.
Most of its patents print IT; this name counts in US. 1 granted and 0 published under it are not counted.
Nadella Inc.
Most of its patents print IT; this name counts in US. 0 granted and 1 published under it are not counted.
International
Only generic words.
Newest grantseach row opens the USPTO’s own copy
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Nov 27, 2025 | 2025/0364881 | DC MOTOR WITH RETAINER FOR INTERPOLE COIL | Electrical machinery, apparatus, energy | The Timken Company |
| Oct 2, 2025 | 2025/0309740 | STATOR LEAD CONNECTION OPTIMIZATION | Electrical machinery, apparatus, energy | The Timken Company |
| Oct 2, 2025 | 2025/0309739 | ELECTRIC MACHINE STATOR WINDING LEAD CONNECTIONS | Electrical machinery, apparatus, energy | The Timken Company |
| Oct 2, 2025 | 2025/0309738 | STATOR FOR WIND TURBINE GENERATORS | Electrical machinery, apparatus, energy | The Timken Company |
| Sep 25, 2025 | 2025/0297641 | SELF-ALIGNING TAPERED ROLLER BEARING ASSEMBLY WITH NON-SPLIT HOUSING | Mechanical elements | The Timken Company |
| Jun 12, 2025 | 2025/0188998 | ADAPTIVE PLATFORM FOR HYDRAULIC CLUTCHES | Mechanical elements | PT Tech, LLC |
| Jun 5, 2025 | 2025/0180133 | BREATHER | Mechanical elements | DES-CASE CORPORATION |
| May 15, 2025 | 2025/0154987 | BEARING COMPONENT WITH PIEZOELECTRIC CORE | Electrical machinery, apparatus, energy | The Timken Company |
| May 1, 2025 | 2025/0141326 | STATOR FOR WIND TURBINE GENERATORS | Electrical machinery, apparatus, energy | The Timken Company |
| Apr 3, 2025 | 2025/0109780 | IMPROVED V-RIBBED BELT | Mechanical elements | Timken SMO LLC |
What it applied for, 2024 to 2025: Electrical machinery, apparatus, energy 12 · Mechanical elements 7.
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.