B21C 37/0822
Guiding or aligning the edges of the bent sheet
Official title: {Guiding or aligning the edges of the bent sheet}
B21C37/0822 (Guiding or aligning the edges of the bent sheet) appears on 54 US grants and 33 published applications in this corpus.
Search patents in B21C- Granted patents
- 54
- Published applications
- 33
- Assignees
- 32
- Inventors
- 125
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 3 | 0 |
| 2023 | 1 | 4 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for manufacturing metal pipe3 Feb 2026US 12,539,533 B2Nakata Manufacturing Co., Ltd.
- Manufacture of roll formed tubes20 Jan 2026US 12,528,108 B2Hydro Extruded Solutions AS
- Electric resistance welded steel pipe and method for manufacturing the same20 Jan 2026US 12,529,435 B2Jfe Steel Corporation
- Method for the continuous production of optical fibre waveguides mounted in a thin-walled, radially closed metal tube1 Jul 2025US 12,343,815 B2Nexans
- Method for joining edges and/or surfaces of a profile, joining roller arrangement and profiling installation13 May 2025US 12,296,368 B2Dreistern GmbH & Co. KG
- Method of manufacturing pipe6 Feb 2025US 2025/0041921 A1Futaba Industrial Co., Ltd.
- Electric resistance welded steel pipe and method for manufacturing the same25 Jan 2024US 2024/0026999 A1Jfe Steel Corporation
- Manufacture of roll formed tubes7 Sep 2023US 2023/0278087 A1Hydro Extruded Solutions AS
- Method and apparatus for manufacturing metal pipe11 May 2023US 2023/0145306 A1Nakata Manufacturing Co., Ltd.
- Method for joining edges and/or surfaces of a profile, joining roller arrangement and profiling installation13 Apr 2023US 2023/0113975 A1Dreistern GmbH & Co. KG
Most cited
By later US patents
- Method of forming seamed metal tube33US 5,474,227 AThe IDOD Trust · 1995
- Method and apparatus for forming and welding thin-wall tubing20US 4,905,885 AWestport Development & Manufacturing Co., Inc. · 1990
- Method of forming seamed metal tube20US 5,344,062 AThe IDOD Trust · 1994
- Method of forming seamed metal tube19US 5,732,874 AThe IDOD Trust · 1998
- Method of forming seamed metal tube17US 6,018,859 AThe IDOD Trust · 2000