F16C 23/043
With spherical surfaces
Official title: {with spherical surfaces, e.g. spherical plain bearings}
F16C23/043 (With spherical surfaces) appears on 534 US grants and 428 published applications in this corpus.
Search patents in F16C- Granted patents
- 534
- Published applications
- 428
- Assignees
- 301
- Inventors
- 1,009
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 16 | 0 |
| 1978 | 19 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 2 |
| 2002 | 6 | 12 |
| 2003 | 6 | 8 |
| 2004 | 8 | 8 |
| 2005 | 3 | 10 |
| 2006 | 4 | 10 |
| 2007 | 4 | 14 |
| 2008 | 2 | 8 |
| 2009 | 6 | 10 |
| 2010 | 7 | 11 |
| 2011 | 7 | 15 |
| 2012 | 7 | 17 |
| 2013 | 15 | 15 |
| 2014 | 12 | 20 |
| 2015 | 15 | 30 |
| 2016 | 19 | 27 |
| 2017 | 27 | 20 |
| 2018 | 19 | 27 |
| 2019 | 22 | 20 |
| 2020 | 25 | 27 |
| 2021 | 18 | 21 |
| 2022 | 25 | 25 |
| 2023 | 19 | 30 |
| 2024 | 23 | 14 |
| 2025 | 18 | 14 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Capture pin for a locking hook22 Sep 2026US 12,741,739 B2Safran Landing Systems
- Drive transmission device and construction machine25 Aug 2026US 12,716,471 B2Nabtesco Corporation
- Thrust bearing with tilting pad12 May 2026US 12,624,705 B1Halliburton Energy Services.Inc.
- Ball joint with notched outer ring17 Mar 2026US 12,577,981 B2SKF Aerospace France S.A.S
- Seal assembly and roller10 Mar 2026US 12,571,473 B2Andritz Kuesters GmbH
- Shaft Seal Assembly3 Sep 2026US 2026/0258869 A1Inpro/Seal LLC
- Plain bearing arrangement, nacelle equipped with the plain bearing arrangement for a wind power plant, and wind power plant20 Aug 2026US 2026/0243232 A1Miba Gleitlager Austria GmbH
- Bearing holding device and motor30 Jul 2026US 2026/0218747 A1Mabuchi Motor Co., Ltd.
- Bearing assembly with guide grooves and an axial retaining member and an associated assembly method23 Jul 2026US 2026/0210398 A1
- Crumpling Bushing25 Jun 2026US 2026/0175990 A1The Boeing Company
Most cited
By later US patents
- Well drilling tool with diamond radial/thrust bearings383US 4,410,054 AMaurer Engineering Inc. · 1983
- PDC bearing for use in a fluid environment55US 8,613,554 B2MSI Machineering Solutions Inc. · 2013
- Flexible seal for a spherical joint54US 4,553,760 ACaterpillar Tractor Co. · 1985
- Hydrodynamic thrust bearing47US 4,726,695 AAnatech B.V. · 1988
- Bearing assemblies and apparatuses including superhard bearing elements47US 9,562,562 B2US Synthetic Corporation · 2017