Patents
US 12398757 B2: Skew limiting bearing cage
- Granted
- 2025-08-26
- Filed
- 2022-04-15 application 18551507
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A rolling element bearing assembly includes a rolling element bearing assembly cage for spacing a plurality of rolling elements during operation of the rolling element bearing assembly about a central rotation axis. The cage includes a first axial end ring, a second axial end ring, and a plurality of bridges extending between the first axial end ring and the second axial end ring. The plurality of bridges defining roller pockets therebetween. At least one of the plurality of bridges includes a Rayleigh step array disposed on a surface thereof. The surface facing an interior of the roller pocket.
Source: PVGPATDIS, file of 2026-04-10 (ipg250826.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| THE TIMKEN COMPANY 94 patents | US company or organization | North Canton, OH | THE TIMKEN COMPANY State business registration EXACT high confidence: identical full name and state THE TIMKEN COMPANY Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Robert J. Sadinski | Uniontown, OH | 1 | PVGPATDIS, file of 2026-04-10 | |
| William Hannon | Hudson, OH | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16C | Shafts; flexible shafts; elements or crankshaft mechanisms; rotary bodies other than gearing elements; bearings | F16C33/4676 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-09-21 | Assignment Assignment of assignor's interest | HANNON, WILLIAM signed 2021-04-19 SADINSKI, ROBERT J. signed 2021-04-19 | THE TIMKEN COMPANY NORTH CANTON, OH | 64984/403 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.