B21D 37/08
Dies with different parts for several steps in a process
B21D37/08 (Dies with different parts for several steps in a process) appears on 173 US grants and 187 published applications in this corpus.
Search patents in B21D- Granted patents
- 173
- Published applications
- 187
- Assignees
- 115
- Inventors
- 347
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 5 |
| 2010 | 3 | 5 |
| 2011 | 3 | 3 |
| 2012 | 3 | 5 |
| 2013 | 3 | 11 |
| 2014 | 8 | 6 |
| 2015 | 7 | 9 |
| 2016 | 7 | 6 |
| 2017 | 6 | 6 |
| 2018 | 1 | 6 |
| 2019 | 9 | 13 |
| 2020 | 3 | 11 |
| 2021 | 5 | 18 |
| 2022 | 16 | 17 |
| 2023 | 19 | 25 |
| 2024 | 12 | 15 |
| 2025 | 15 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Burring processing method, burring processing mold, burring processing device, and burring processed product12 May 2026US 12,623,270 B2Nippon Steel Corporation
- Method for manufacturing pressed component, method for manufacturing blank material, and steel sheet5 May 2026US 12,617,011 B2Jfe Steel Corporation
- Method for manufacturing press-molded article, and press-molding device6 Jan 2026US 12,515,248 B2H-One Co., Ltd.
- Forming device and metal pipe23 Dec 2025US 12,502,704 B2Sumitomo Heavy Industries, Ltd.
- Sheet metal forming and assembly simulation method16 Dec 2025US 12,499,291 B2Autoform Engineering GmbH
- Method for trimming blanks23 Jul 2026US 2026/0208258 A1Magna International Inc.
- Plant for Forming a Polar Plate of a Fuel Cell, and Associated Forming Method9 Jul 2026US 2026/0192350 A1
- Die assembly for manufacturing vehicle doors15 Jan 2026US 2026/0014615 A1Maga International Inc.
- Laminated core, more particularly for a stator of an electric machine, and method for producing said laminated core1 Jan 2026US 2026/0005554 A1voestalpine Stahl GmbH
- Systems and methods for fabricating segmented electrodes4 Dec 2025US 2025/0367435 A1Advanced Neuromodulation Systems, Inc.
Most cited
By later US patents
- Stock lifter for metal forming dies and method for making the same50US 6,848,290 B2Pyper Tool & Engineering, Inc. · 2005
- Stock lifter for progressive dies41US 4,326,402 A1982
- Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith36US 6,742,239 B2L. H. Carbide Corporation · 2004
- Complex pressing die apparatus24US 4,779,443 AToyoshima Kabushiki Kaisha · 1988
- Univers cam unit23US 5,487,296 AConnell Limited Partnership · 1996