F16C 33/6681
Details of distribution or circulation inside the bearing
Official title: {Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements}
F16C33/6681 (Details of distribution or circulation inside the bearing) appears on 344 US grants and 340 published applications in this corpus.
Search patents in F16C- Granted patents
- 344
- Published applications
- 340
- Assignees
- 142
- Inventors
- 756
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 7 |
| 2007 | 0 | 3 |
| 2008 | 2 | 8 |
| 2009 | 2 | 11 |
| 2010 | 4 | 5 |
| 2011 | 3 | 14 |
| 2012 | 9 | 9 |
| 2013 | 8 | 17 |
| 2014 | 19 | 19 |
| 2015 | 28 | 39 |
| 2016 | 26 | 31 |
| 2017 | 23 | 36 |
| 2018 | 27 | 20 |
| 2019 | 37 | 12 |
| 2020 | 18 | 14 |
| 2021 | 14 | 14 |
| 2022 | 10 | 13 |
| 2023 | 12 | 12 |
| 2024 | 13 | 14 |
| 2025 | 12 | 22 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial rolling bearing unit with rolling bodies, which are arranged between annular axial bearing washers, and a functionally integrated bearing cage6 Oct 2026US 12,753,798 B2Schaeffler Technologies AG & Co. KG
- Lubrication ring for transporting lubricant22 Sep 2026US 12,742,477 B2Sulzer Management AG
- Arc-shaped segment for assembling a segmented cage, cage and bearing25 Aug 2026US 12,716,452 B2Aktiebolaget Skf
- Bearing assembly for an electric motor, and electric motor16 Jun 2026US 12,658,758 B2Aktiebolaget Skf
- Pump, a bearing assembly for a pump and a method of assembling the bearing assembly26 May 2026US 12,638,053 B2Edwards Limited
- Sealed ball bearing and bearing device20 Aug 2026US 2026/0243307 A1Ntn Corporation
- Cage for cylindrical roller bearing23 Jul 2026US 2026/0210402 A1BEARING ART Corp.
- Lubricating device for a planetary gear bearing of a planetary transmission, and planetary transmission2 Jul 2026US 2026/0185605 A1Schaeffler Technologies AG & Co. KG
- Radial thrust bearing18 Jun 2026US 2026/0168532 A1Nippon Thompson Co., Ltd.
- Bearing device11 Jun 2026US 2026/0160298 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Polymer cage for a high speed tapered roller bearing37US 4,425,011 AThe Timken Company · 1984
- Cage for spherical roller bearing28US 5,033,878 ANtn Corporation · 1991
- Lubricating structure for linear motion guide apparatus27US 9,222,515 B2Hiwin Technologies Corp. · 2015
- Refrigerant cooled tapered roller bearing assembly24US 4,541,738 AThe Timken Company · 1985
- Linear guide device24US 6,203,199 B1Deutsche Star GmbH · 2001