F16C 21/005
The external zone of a bearing with rolling members
Official title: {the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints (seals F16C33/72, F16D3/38)}
F16C21/005 (The external zone of a bearing with rolling members) appears on 193 US grants and 107 published applications in this corpus.
Search patents in F16C- Granted patents
- 193
- Published applications
- 107
- Assignees
- 80
- Inventors
- 275
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 3 |
| 2003 | 1 | 9 |
| 2004 | 10 | 11 |
| 2005 | 5 | 5 |
| 2006 | 8 | 8 |
| 2007 | 5 | 4 |
| 2008 | 1 | 10 |
| 2009 | 0 | 4 |
| 2010 | 4 | 2 |
| 2011 | 1 | 5 |
| 2012 | 8 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 5 |
| 2017 | 3 | 3 |
| 2018 | 3 | 13 |
| 2019 | 8 | 2 |
| 2020 | 7 | 5 |
| 2021 | 5 | 1 |
| 2022 | 1 | 5 |
| 2023 | 2 | 1 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Universal joint with improved stiffness20 May 2025US 12,305,718 B2
- Bearing configuration for a rotational equipment assembly21 Jan 2025US 12,203,413 B1Rtx Corporation
- Drive shaft with lubricated accident-prevention end protections19 Nov 2024US 12,146,525 B2
- Drive shaft with improved shaft lubrication15 Oct 2024US 12,117,044 B2
- Bearing bush and journal bearing assembly23 Apr 2024US 11,965,547 B2Aktiebolaget Skf
- Lubricating device for a planetary gear bearing of a planetary transmission, and planetary transmission2 Jul 2026US 2026/0185605 A1Schaeffler Technologies AG & Co. KG
- Bearing configuration for a rotational equipment assembly2 Jan 2025US 2025/0003367 A1Raytheon Technologies Corporation
- Universal joint and propeller shaft31 Aug 2023US 2023/0272823 A1Hitachi Astemo, Ltd.
- Bearing bush and journal bearing assembly22 Dec 2022US 2022/0403880 A1Aktiebolaget Skf
- A universal joint with improved stiffness15 Dec 2022US 2022/0397159 A1
Most cited
By later US patents
- Method for mounting a bearing in a universal joint31US 4,050,130 ANadella · 1977
- Seal for a universal joint trunnion31US 5,716,277 ADana Corporation · 1998
- Seal assembly for bearing cups slidable in axial direction in bore26US 4,440,401 ASKF Kugellagerfabriken GmbH · 1984
- Device for sealing bearing bush of a universal joint25US 4,834,691 AGelenkwellenbau GmbH · 1989
- Universal joint25US 6,162,126 AAmerican Axle & Manufacturing, Inc. · 2000