B21D 53/845
Making camshafts
Official title: {Making camshafts}
B21D53/845 (Making camshafts) appears on 106 US grants and 66 published applications in this corpus.
Search patents in B21D- Granted patents
- 106
- Published applications
- 66
- Assignees
- 60
- Inventors
- 184
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 3 | 7 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 6 |
| 2015 | 1 | 5 |
| 2016 | 5 | 1 |
| 2017 | 4 | 5 |
| 2018 | 4 | 4 |
| 2019 | 5 | 3 |
| 2020 | 0 | 2 |
| 2021 | 5 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for disassembling pressed together crankshafts5 Mar 2024US 11,919,064 B1
- Method for manufacturing a piston indicator for a camshaft27 Feb 2024US 11,913,363 B2Mahle International GmbH
- Method for manufacturing combined hollow camshaft by axial-compression upsetting-deformation technique25 Jan 2022US 11,229,940 B2Harbin Institute of Technology, Weihai
- Device for jointing a plurality of elements on a shaft1 Jun 2021US 11,020,788 B2Mahle International GmbH
- Assembled camshaft and method for producing an assembled camshaft1 Jun 2021US 11,022,007 B1thyssenkrupp AG
- Camshaft26 Jun 2025US 2025/0205771 A1Mahle International GmbH
- Method for manufacturing a piston indicator for a camshaft21 Dec 2023US 2023/0407769 A1Mahle International GmbH
- Method for manufacturing combined hollow camshaft by axial-compression upsetting-deformation technique21 Oct 2021US 2021/0323042 A1Harbin Institute of Technology, Weihai
- Assembled camshaft and method for producing an assembled camshaft24 Jun 2021US 2021/0189915 A1thyssenkrupp AG
- End piece for camshaft22 Oct 2020US 2020/0331054 A1Hyundai Motor Company
Most cited
By later US patents
- Process for producing built-up camshafts51US 4,660,269 AMusashi Seimitsu Kogyo Kabushiki Kaisha · 1987
- Mechanical element having a shaft pressure-fitted into an engaging member and its manufacturing method40US 5,272,930 ANippon Piston Ring Co., Ltd. · 1993
- Camshaft assembly with shaft elements positioned one inside the other and method of producing same38US 5,664,463 A1997
- Apparatus for making a cam shaft31US 4,763,503 A1988
- Method of joining tubular member and annular parts28US 4,575,913 ARiken · 1986