B21D 37/12
Particular guiding equipment
Official title: Particular guiding equipment, {e.g. pliers}; Special arrangements for interconnection or cooperation of dies
B21D37/12 (Particular guiding equipment) appears on 113 US grants and 121 published applications in this corpus.
Search patents in B21D- Granted patents
- 113
- Published applications
- 121
- Assignees
- 89
- Inventors
- 256
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 5 |
| 2003 | 3 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 0 | 7 |
| 2013 | 6 | 1 |
| 2014 | 3 | 3 |
| 2015 | 3 | 9 |
| 2016 | 7 | 9 |
| 2017 | 4 | 4 |
| 2018 | 10 | 10 |
| 2019 | 7 | 11 |
| 2020 | 3 | 8 |
| 2021 | 6 | 15 |
| 2022 | 17 | 10 |
| 2023 | 9 | 2 |
| 2024 | 4 | 4 |
| 2025 | 2 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Punching tool for mobile use10 Feb 2026US 12,544,820 B2Alfra GmbH
- Stamping dies and guided retainer devices for use in same8 Jul 2025US 12,350,729 B2Dayton Lamina Corporation
- Guide pin connection24 Jun 2025US 12,337,369 B2Standard Lifters, Inc.
- Punch assembly with interchangeable tips1 Oct 2024US 12,103,064 B2E&S Enterprises Inc.
- Structural member, structural member manufacturing method, and structural member manufacturing device9 Jul 2024US 12,030,105 B2Nippon Steel Corporation
- Notching mold and method for notching an electrode plate27 Aug 2026US 2026/0249507 A1Samsung SDI.Co., Ltd.
- Secondary battery electrode plate manufacturing apparatus including die parallelism monitoring device and secondary battery electrode plate manufacturing method8 Jan 2026US 2026/0011708 A1Samsung SDI.Co., Ltd.
- Pipe body forming apparatus27 Nov 2025US 2025/0360547 A1Fuji Machine Works Co., Ltd.
- Forming punching apparatus20 Nov 2025US 2025/0353066 A1Salvagnini Italia S.p.A.
- Slider assembly20 Nov 2025US 2025/0353067 A1Fibro GmbH
Most cited
By later US patents
- Antifriction bearing assembly for a die set or the like20US 4,648,727 ALempco Industries, Inc. · 1987
- Progressive die apparatus having resilient tool support means19US 4,610,156 AThe Stolle Corporation · 1986
- Stamping system for manufacturing high tolerance parts18US 7,343,770 B2Nanoprecision Products, Inc. · 2008
- Nestable die alignment means for punch press machines16US 3,971,275 A1976
- Process for positioning and aligning dies16US 4,555,840 AFutaba Denshi Kogyo K. K. · 1985