B21D 5/12
Making use of forming-rollers
Official title: making use of forming-rollers
B21D5/12 (Making use of forming-rollers) appears on 103 US grants and 82 published applications in this corpus.
Search patents in B21D- Granted patents
- 103
- Published applications
- 82
- Assignees
- 78
- Inventors
- 217
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 3 | 15 |
| 2015 | 5 | 4 |
| 2016 | 5 | 4 |
| 2017 | 10 | 6 |
| 2018 | 4 | 2 |
| 2019 | 6 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 9 |
| 2022 | 7 | 4 |
| 2023 | 5 | 6 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Squeeze device23 Jun 2026US 12,661,701 B2Nakata Manufacturing Co., Ltd.
- 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
- 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
- Electric resistance welded steel pipe, method for manufacturing the same, and automotive structural member24 Dec 2024US 12,173,835 B2Jfe Steel Corporation
- Pipe body forming apparatus27 Nov 2025US 2025/0360547 A1Fuji Machine Works Co., Ltd.
- Roll forming system with heat treatment and associated methods25 Jan 2024US 2024/0024940 A1Novelis Inc.
- Method for pre-shaping sheet metal, and computer program and device for carrying out the method18 Jan 2024US 2024/0017314 A1SMS group GmbH
- Manufacture of roll formed tubes7 Sep 2023US 2023/0278087 A1Hydro Extruded Solutions AS
- Method and apparatus for manufacturing metal pipe31 Aug 2023US 2023/0271240 A1Nakata Manufacturing Co., Ltd.
Most cited
By later US patents
- Rigid elongated member for use in vehicles and producing method and apparatus therefor40US 5,756,167 AHashimoto Forming Industry Co., Ltd. · 1998
- Method for making thin-walled metal pipes23US 4,796,797 ANisshin Steel Co., Ltd. · 1989
- Machine for manufacturing welded steel pipes and method for handling the machine19US 5,301,869 AKawasaki Steel Corporation · 1994
- Method and apparatus for manufacturing metallic pipe15US 4,122,696 ANippon Steel Corporation · 1978
- Tapered tube manufacturing apparatus and process14US 5,862,694 AUnion Metal Corporation · 1999