B21K 1/762
Coupling members for conveying mechanical motion
Official title: {Coupling members for conveying mechanical motion, e.g. universal joints}
B21K1/762 (Coupling members for conveying mechanical motion) appears on 153 US grants and 96 published applications in this corpus.
Search patents in B21K- Granted patents
- 153
- Published applications
- 96
- Assignees
- 78
- Inventors
- 297
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 6 | 1 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 3 | 6 |
| 2006 | 6 | 5 |
| 2007 | 5 | 5 |
| 2008 | 1 | 5 |
| 2009 | 0 | 9 |
| 2010 | 2 | 2 |
| 2011 | 6 | 5 |
| 2012 | 6 | 2 |
| 2013 | 5 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 4 | 8 |
| 2018 | 4 | 9 |
| 2019 | 8 | 3 |
| 2020 | 4 | 5 |
| 2021 | 4 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Equipment and method for forming a front toothing on an inner ring of a wheel hub12 May 2026US 12,623,273 B2Aktiebolaget Skf
- 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
- Drive shaft27 Aug 2026US 2026/0251174 A1CP Tech GmbH
- Method for forming a face spline in a constant velocity joint6 Aug 2026US 2026/0225150 A1Hansae Mobility Co., Ltd.
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Method for manufacturing constant velocity drive shaft12 Jun 2025US 2025/0187062 A1Sigma & Hearts Co., Ltd.
- Forging device and forging method for outer joint member of constant-velocity universal joint19 Jan 2023US 2023/0013212 A1Ntn 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
- Process for providing bearing surfaces on trunnions of a universal joint24US 3,950,834 ANadella · 1976
- 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