B21D 37/20
Making tools by operations not covered by a single other subclass
B21D37/20 (Making tools by operations not covered by a single other subclass) appears on 205 US grants and 175 published applications in this corpus.
Search patents in B21D- Granted patents
- 205
- Published applications
- 175
- Assignees
- 156
- Inventors
- 449
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 6 |
| 2002 | 10 | 7 |
| 2003 | 4 | 4 |
| 2004 | 4 | 7 |
| 2005 | 5 | 6 |
| 2006 | 4 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 3 | 8 |
| 2010 | 3 | 4 |
| 2011 | 4 | 5 |
| 2012 | 4 | 3 |
| 2013 | 2 | 10 |
| 2014 | 3 | 6 |
| 2015 | 7 | 7 |
| 2016 | 9 | 12 |
| 2017 | 10 | 8 |
| 2018 | 1 | 8 |
| 2019 | 6 | 9 |
| 2020 | 7 | 8 |
| 2021 | 9 | 10 |
| 2022 | 4 | 7 |
| 2023 | 4 | 10 |
| 2024 | 4 | 5 |
| 2025 | 7 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method, device, and program of designing press forming die, and method of manufacturing press formed part28 Jul 2026US 12,691,487 B2Jfe Steel Corporation
- Method for manufacturing roll mold, roll mold manufacturing apparatus, non-transitory computer readable medium, microlens array, and roll mold23 Jun 2026US 12,661,715 B2Dexerials Corporation
- Method for manufacturing roll mold, roll mold manufacturing apparatus, non-transitory computer readable medium, and roll mold6 Jan 2026US 12,515,258 B2Dexerials Corporation
- Damage evaluation device and damage evaluation method for press-forming die18 Nov 2025US 12,472,715 B2Jfe Steel Corporation
- Clamping system for a press brake comprising two internally interconnected cavities, press brake comprising such a clamping system, and method of manufacturing an elongate beam for such a clamping system11 Nov 2025US 12,465,968 B2Wila B.V.
- Expanding blade for use in manufacturing micro-expanded metal mesh foils and methods of fabricating the same23 Jul 2026US 2026/0208255 A1ACS Industries, Inc.
- Die design system18 Jun 2026US 2026/0170207 A1G-Tekt Corporation
- Method of manufacturing electrode notching mold for secondary battery through grinding processing12 Mar 2026US 2026/0070249 A1GSPCOMPANY Co., Ltd.
- Blade for an oscillating multi-tool19 Feb 2026US 2026/0048521 A1MultiTool Lab Limited
- Systems and methods for tripodic spines forming a spherical basket for improved tissue contact and current delivery5 Feb 2026US 2026/0033886 A1Biosense Webster (Israel) Ltd.
Most cited
By later US patents
- Process for the manufacture of laminated tooling98US 5,031,483 AW. R. Weaver Company · 1991
- Rapid manufacturing of steel rule dies and other 3-dimensional products, apparatus, process and products53US 6,441,338 B12002
- Method and apparatus for bending steel rule43US 5,461,893 ACNC Corporation · 1995
- Methods of making spray formed rapid tools42US 5,658,506 AFord Global Technologies, LLC · 1997
- Die rule retention device and retaining board incorporating same42US 6,779,426 B1Atlas Die LLC · 2004