B21K 1/765
Outer elements of coupling members
Official title: {Outer elements of coupling members}
B21K1/765 (Outer elements of coupling members) appears on 77 US grants and 37 published applications in this corpus.
Search patents in B21K- Granted patents
- 77
- Published applications
- 37
- Assignees
- 33
- Inventors
- 147
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 6 |
| 2018 | 2 | 8 |
| 2019 | 7 | 3 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Forging device and forging method for outer joint member of constant-velocity universal joint13 Feb 2024US 11,897,025 B2Ntn Corporation
- Forging device and forging method for outer joint member of constant-velocity universal joint25 Oct 2022US 11,478,845 B2Ntn Corporation
- Method of manufacturing outside joint member13 Sep 2022US 11,440,084 B2Jtekt Corporation
- Method of forging outer joint member of constant velocity universal joint26 Apr 2022US 11,311,930 B2Ntn Corporation
- Method and device for manufacturing bearing unit2 Nov 2021US 11,162,538 B2Nsk Ltd.
- Method for forming a face spline in a constant velocity joint6 Aug 2026US 2026/0225150 A1Hansae Mobility Co., Ltd.
- Forging device and forging method for outer joint member of constant-velocity universal joint19 Jan 2023US 2023/0013212 A1Ntn Corporation
- Forging device and forging method for outer joint member of constant-velocity universal joint2 Dec 2021US 2021/0370387 A1Ntn Corporation
- Method of forging outer joint member of constant velocity universal joint25 Feb 2021US 2021/0053106 A1Ntn Corporation
- Method of manufacturing outside joint member2 Jul 2020US 2020/0206804 A1Jtekt Corporation
Most cited
By later US patents
- Forging die for a part with internal, tapered grooves32US 4,406,146 ANissan Motor Co., Ltd. · 1983
- Constant velocity universal joint27US 5,538,473 AGKN Automotive AG · 1996
- Method of forming a precision ball track22US 4,611,373 AGKN Automotive Components Inc. · 1986
- Drive shaft fitting or coupling18US 5,304,012 ACurtiss Wright Flight Systems Inc. · 1994
- Constant velocity universal ball joint and method of producing such a joint17US 5,451,185 AGKN Automotive AG · 1995