F16D 3/224
The groove centre-lines in each coupling part lying on a sphere
Official title: the groove centre-lines in each coupling part lying on a sphere
F16D3/224 (The groove centre-lines in each coupling part lying on a sphere) appears on 301 US grants and 244 published applications in this corpus.
Search patents in F16D- Granted patents
- 301
- Published applications
- 244
- Assignees
- 84
- Inventors
- 379
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 11 | 7 |
| 2002 | 11 | 8 |
| 2003 | 7 | 9 |
| 2004 | 9 | 9 |
| 2005 | 0 | 7 |
| 2006 | 10 | 5 |
| 2007 | 3 | 12 |
| 2008 | 4 | 10 |
| 2009 | 9 | 12 |
| 2010 | 12 | 25 |
| 2011 | 10 | 16 |
| 2012 | 21 | 9 |
| 2013 | 17 | 9 |
| 2014 | 12 | 8 |
| 2015 | 6 | 6 |
| 2016 | 7 | 8 |
| 2017 | 9 | 11 |
| 2018 | 1 | 8 |
| 2019 | 11 | 8 |
| 2020 | 7 | 12 |
| 2021 | 7 | 10 |
| 2022 | 14 | 7 |
| 2023 | 4 | 5 |
| 2024 | 8 | 8 |
| 2025 | 9 | 7 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Constant velocity joint and driveshaft including same14 Apr 2026US 12,601,379 B2Hansae Mobility Co., Ltd.
- Constant velocity joint and driveshaft including same24 Feb 2026US 12,560,205 B2Hansae Mobility Co., Ltd.
- Constant velocity universal joint and manufacturing method of constant velocity universal joint27 Jan 2026US 12,535,108 B2Jtekt Corporation
- Counter track joint13 Jan 2026US 12,523,260 B2GKN Driveline International GmbH
- Constant velocity joint16 Dec 2025US 12,498,000 B2Aktiebolaget Skf
- Double offset constant velocity joint13 Aug 2026US 2026/0235167 A1Jtekt Corporation
- Ball type constant velocity joint2 Jul 2026US 2026/0185565 A1Hyundai Wia Corporation
- Inner joint member for a counter track joint4 Jun 2026US 2026/0153130 A1
- Constant velocity joint and driveshaft including same28 May 2026US 2026/0146653 A1Hansae Mobility Co., Ltd.
- Constant velocity joint assembly14 May 2026US 2026/0132822 A1Hyundai Wia Corporation
Most cited
By later US patents
- Constant velocity stroking joint having recirculating spline balls96US 6,582,313 B2Delphi Technologies, Inc. · 2003
- Ball fixed type constant velocity joint having low rotational backlash81US 5,855,519 ANtn Corporation · 1999
- Constant velocity universal joint having high stress resistance78US 5,290,203 AGKN Automotive AG · 1994
- Axial retaining member and method for interconnecting male and female splined members56US 4,813,808 AGKN Automotive Components Inc. · 1989
- Bearing assembly for a wheel hub driven by a rotary constant velocity universal joint42US 4,460,058 ALohr & Bromkamp GmbH · 1984