B21D 5/14
Bending sheet metal along straight lines: by passing between rollers
Official title: by passing between rollers (B21D5/06 takes precedence)
B21D5/14 (Bending sheet metal along straight lines: by passing between rollers) appears on 154 US grants and 128 published applications in this corpus.
Search patents in B21D- Granted patents
- 154
- Published applications
- 128
- Assignees
- 116
- Inventors
- 287
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 5 |
| 2009 | 1 | 4 |
| 2010 | 2 | 7 |
| 2011 | 2 | 4 |
| 2012 | 3 | 5 |
| 2013 | 4 | 7 |
| 2014 | 5 | 16 |
| 2015 | 9 | 9 |
| 2016 | 4 | 2 |
| 2017 | 11 | 8 |
| 2018 | 3 | 6 |
| 2019 | 8 | 9 |
| 2020 | 10 | 15 |
| 2021 | 4 | 5 |
| 2022 | 6 | 3 |
| 2023 | 10 | 5 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- Helically wound tubular structures22 Jul 2025US 12,366,310 B2Techreo LLC
- Method and apparatus for controlling a process for curving elongated pieces and rolling curving machine25 Feb 2025US 12,233,450 B2Promau S.R.L.
- System and method for contouring ring component25 Feb 2025US 12,233,452 B2ROLLS-ROYCE plc
- Precision roll bending method, system, and electronic equipment for cylinder with variable curvature section10 Dec 2024US 12,162,059 B1Wuhan University of Technology
- A method of reshaping a workpiece, a primary side pressing device, a secondary side pressing device and an arrangement for reshaping a workpiece3 Sep 2026US 2026/0257264 A1Stilfold AB
- Bending machine27 Aug 2026US 2026/0249340 A1Odfjell Oceanwind AS
- Steel sheet and member, and methods of producing same13 Aug 2026US 2026/0233280 A1Jfe Steel Corporation
- Method of manufacture of a reinforced pipe15 Jan 2026US 2026/0014611 A1Odfjell Oceanwind AS
- Roller offset forming tool and method of mitigating distortion in a metal sheet13 Nov 2025US 2025/0345837 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Sheet metal former23US 4,125,006 A1978
- Rounded corrugated sheet and method and apparatus for its manufacture23US 4,689,261 A1987
- Programmable plate bending machine23US 5,187,959 APromau S.R.L. · 1993
- Automatically controlled machine for rolling metal sheets19US 4,796,449 ASociete Nouvelle des Ateliers et Chantiers du Havre · 1989
- Controlled variable radius roll forming apparatus16US 4,232,540 A1980