B21K 1/763
Inner elements of coupling members
Official title: {Inner elements of coupling members}
B21K1/763 (Inner elements of coupling members) appears on 20 US grants and 18 published applications in this corpus.
Search patents in B21K- Granted patents
- 20
- Published applications
- 18
- Assignees
- 14
- Inventors
- 43
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
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| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
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| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Method for manufacturing outer joint member for constant velocity universal joint, shaft member and outer joint member24 Dec 2019US 10,514,070 B2Ntn Corporation
- Method for machining a functional part19 Jun 2018US 9,999,916 B2Thyssenkrupp Presta AG
- Forging die apparatus17 Apr 2018US 9,943,902 B2Hyundai Motor Company
- Method for producing an extruded bearing journal29 Aug 2017US 9,746,030 B2Thyssenkrupp Presta AG
- Drive shaft27 Aug 2026US 2026/0251174 A1CP Tech GmbH
- Equipment and method for forming a front toothing on an inner ring of a wheel hub23 Jul 2026US 2026/0208259 A1
- Equipment and method for forming a front toothing on an inner ring of a wheel hub4 Aug 2022US 2022/0241841 A1Aktiebolaget Skf
- Journal Cross and Universal Joint Comprising the Same4 Jun 2020US 2020/0173497 A1Off-Highway Powertrain Services Germany GmbH
- Method for manufacturing outer joint member for constant velocity universal joint, shaft member and outer joint member4 May 2017US 2017/0122378 A1Ntn Corporation
Most cited
By later US patents
- Fully enclosed die forging apparatus14US 4,918,970 AAida Engineering, Ltd. · 1990
- Forging apparatus for inner race of constant velocity universal joint12US 6,044,684 AHonda Giken Kogyo Kabushiki Kaisha · 2000
- Method and apparatus for cold extruding universal seal crosspieces6US 5,119,663 AMasco Industries, Inc. · 1992
- Method for manufacturing a fastening portion for a steering apparatus4US 7,930,826 B2Gunma Seiko Co., Ltd · 2011
- Method and apparatus for cold extruding universal seal crosspieces2US 5,174,147 AMasco Industries, Inc. · 1992