F16C 33/6629
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}
F16C33/6629 (Details of distribution or circulation inside the bearing) appears on 98 US grants and 109 published applications in this corpus.
Search patents in F16C- Granted patents
- 98
- Published applications
- 109
- Assignees
- 55
- Inventors
- 245
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 4 |
| 2013 | 4 | 5 |
| 2014 | 8 | 11 |
| 2015 | 10 | 13 |
| 2016 | 8 | 10 |
| 2017 | 8 | 4 |
| 2018 | 6 | 7 |
| 2019 | 9 | 6 |
| 2020 | 4 | 1 |
| 2021 | 3 | 5 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 5 | 7 |
| 2025 | 3 | 7 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing cage with circumferential lubricant passages29 Sep 2026US 12,747,755 B2Aktiebolaget Skf
- Rolling bearing8 Sep 2026US 12,729,718 B2MINEBEA MITSUMI Inc.
- Arc-shaped segment for assembling a segmented cage, cage and bearing25 Aug 2026US 12,716,452 B2Aktiebolaget Skf
- Toroid separator with lubricant channels for ball bearings21 Apr 2026US 12,607,225 B2Aktiebolaget Skf
- Crown-shaped retainer for ball bearing, and ball bearing11 Nov 2025US 12,467,501 B2Nsk Ltd.
- Three-row roller bearing, preferably for use in a wind power plant8 Oct 2026US 2026/0309186 A1S.A. Defontaine
- Bearing cage with polygonal pockets28 May 2026US 2026/0146648 A1
- Bearing cage with pockets having radial storage holes28 May 2026US 2026/0146649 A1
- Bearing cage with axial lubricant passages28 May 2026US 2026/0146650 A1
- Bearing cage with circumferential lubricant passages28 May 2026US 2026/0146651 A1Aktiebolaget Skf
Most cited
By later US patents
- Seal assembly for antifriction bearings38US 5,022,659 AThe Timken Company · 1991
- Grease retainer and taper roller bearing having same19US 5,803,616 ASKF Industrial Trading and Development Company, B.V. · 1998
- Method of lubricating printing cyclinder bearings15US 5,484,212 AHeidelberger Druckmaschinen AG · 1996
- Bearing cage for retaining rolling elements13US 4,493,513 ANippon Seiko Kabushiki Kaisha · 1985
- Rotational bearing arrangement for high rotational speeds13US 4,915,515 AMaschinenfabrik Rieter AG · 1990