B21D 17/025
By pressing tubes axially
Official title: {by pressing tubes axially}
B21D17/025 (By pressing tubes axially) appears on 44 US grants and 34 published applications in this corpus.
Search patents in B21D- Granted patents
- 44
- Published applications
- 34
- Assignees
- 40
- Inventors
- 106
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for mechanical machining by plastic deformation or for assembling a pair of components, and relative machine tool comprising such an apparatus12 May 2026US 12,623,271 B2GNUTTI TRANSFER S.p.A.
- Method for molding screw thread of metal pipe22 Oct 2024US 12,121,949 B2Keylex Corporation
- Pipe, spool forming die, and pipe manufacturing method4 Jun 2024US 12,000,507 B2Futaba Industrial Co., Ltd.
- Method for forming spool in pipe and manufacturing apparatus for forming spool in pipe20 Feb 2024US 11,904,372 B2Futaba Industrial Co., Ltd.
- Check valve unit and air-conditioning apparatus, and method for manufacturing check valve unit23 Jan 2024US 11,879,556 B2Mitsubishi Electric Corporation
- Cylindrical member and manufacturing method therefor9 Jul 2026US 2026/0192353 A1Nippon Steel Corporation
- End forming tool for forming a protrusion on a tube9 Oct 2025US 2025/0312836 A1Oetiker NY, Inc.
- Apparatus for mechanical machining by plastic deformation or for assembling a pair of components, and relative machine tool comprising such an apparatus1 Feb 2024US 2024/0033807 A1GNUTTI TRANSFER S.p.A.
- Check valve unit and air-conditioning apparatus, and method for manufacturing check valve unit25 May 2023US 2023/0160481 A1Mitsubishi Electric Corporation
- Method for forming spool in pipe and manufacturing apparatus for forming spool in pipe30 Mar 2023US 2023/0099771 A1Futaba Industrial Co., Ltd.
Most cited
By later US patents
- Deformable member175US 6,896,049 B2Zeroth Technology Ltd. · 2005
- Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same33US 6,233,999 B1Unipres Corporation · 2001
- Stabilizer bar apparatus for use in a vehicle suspension21US 6,206,392 B1Visteon Global Technologies, Inc. · 2001
- Method for expanding a tubular member20US 4,590,655 AGrotnes Metalforming Systems, Inc. · 1986
- Method and apparatus for hydroforming metallic tube16US 5,918,494 ASumitomo Metal Industries, Ltd. · 1999