F16C 33/38
Ball cages
F16C33/38 (Ball cages) appears on 1,058 US grants and 925 published applications in this corpus.
Search patents in F16C- Granted patents
- 1,058
- Published applications
- 925
- Assignees
- 377
- Inventors
- 2,043
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 19 | 0 |
| 1991 | 15 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 23 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 6 |
| 2002 | 25 | 37 |
| 2003 | 24 | 19 |
| 2004 | 28 | 38 |
| 2005 | 16 | 26 |
| 2006 | 22 | 30 |
| 2007 | 17 | 29 |
| 2008 | 20 | 39 |
| 2009 | 16 | 25 |
| 2010 | 18 | 32 |
| 2011 | 21 | 34 |
| 2012 | 27 | 29 |
| 2013 | 23 | 32 |
| 2014 | 41 | 41 |
| 2015 | 44 | 36 |
| 2016 | 25 | 50 |
| 2017 | 37 | 59 |
| 2018 | 45 | 46 |
| 2019 | 43 | 41 |
| 2020 | 41 | 40 |
| 2021 | 42 | 42 |
| 2022 | 37 | 37 |
| 2023 | 27 | 39 |
| 2024 | 36 | 50 |
| 2025 | 34 | 46 |
| 2026 | 26 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16C 33/41Comb-shaped348
- F16C 33/3837Massive or moulded cages having cage pockets surrounding the balls336
- F16C 33/44Selection of substances201
- F16C 33/3887Details of individual pockets183
- F16C 33/3806Details of interaction of cage and race151
- F16C 33/42Made from wire or sheet metal strips107
- F16C 33/40For multiple rows of balls100
- F16C 33/3825Formed as a flexible belt89
Recent patents
- Cage for rolling bearing and rolling bearing6 Oct 2026US 12,753,799 B2Japan Aerospace Exploration Agency
- Bearing cage with circumferential lubricant passages29 Sep 2026US 12,747,755 B2Aktiebolaget Skf
- Mechanical roller bearing8 Sep 2026US 12,729,723 B2Safran Aircraft Engines
- Arc-shaped segment for assembling a segmented cage, cage and bearing25 Aug 2026US 12,716,452 B2Aktiebolaget Skf
- Rolling element cage and displacement unit28 Jul 2026US 12,692,900 B2Neumayer Tekfor Engineering GmbH
- Deep Groove Ball Bearing and Arc-Shaped Roller Assembly1 Oct 2026US 2026/0298288 A1
- Optimization of an open rotor propulsion system comprising an unducted fan and a ducted fan17 Sep 2026US 2026/0274420 A1General Electric Company
- Cage for a rolling element bearing10 Sep 2026US 2026/0266334 A1Apo-Gee Engineering
- Resin holder for ball bearing, ball bearing, and method for manufacturing resin holder for ball bearing27 Aug 2026US 2026/0251179 A1Nsk Ltd.
- Wire raceway ball bearing, cage strip, method of forming the same, and cage20 Aug 2026US 2026/0243303 A1
Most cited
By later US patents
- Rotary member a process cartridge and an assembling method for rolling members173US 5,463,446 ACanon Kabushiki Kaisha · 1995
- Process cartridge including a spaced rolling members support feature and image forming apparatus using the same141US 5,640,650 ACanon Kabushiki Kaisha · 1997
- Ball and roller bearings and bearing components98US 5,067,826 A1991
- Ball and roller bearings and bearing components65US 5,284,394 A1994
- Blood pump rotor bearings60US 9,144,638 B2Thoratec Corporation · 2015