B21C 3/02
Dies
Official title: Dies; Selection of material therefor; Cleaning thereof
B21C3/02 (Dies) appears on 246 US grants and 184 published applications in this corpus.
Search patents in B21C- Granted patents
- 246
- Published applications
- 184
- Assignees
- 165
- Inventors
- 541
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 6 |
| 2003 | 6 | 3 |
| 2004 | 5 | 11 |
| 2005 | 4 | 4 |
| 2006 | 1 | 9 |
| 2007 | 1 | 5 |
| 2008 | 3 | 7 |
| 2009 | 4 | 7 |
| 2010 | 5 | 13 |
| 2011 | 5 | 4 |
| 2012 | 3 | 4 |
| 2013 | 4 | 7 |
| 2014 | 4 | 3 |
| 2015 | 6 | 10 |
| 2016 | 8 | 8 |
| 2017 | 5 | 12 |
| 2018 | 6 | 12 |
| 2019 | 8 | 12 |
| 2020 | 12 | 8 |
| 2021 | 6 | 7 |
| 2022 | 4 | 11 |
| 2023 | 8 | 5 |
| 2024 | 6 | 5 |
| 2025 | 6 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- NbC-based cemented carbide11 Aug 2026US 12,703,899 B2Hyperion Materials & Technologies, Inc.
- Apparatus and method for reducing the cross section of a tubular hollow body by shaping the hollow body16 Jun 2026US 12,654,212 B2FELSS Systems GmbH
- Irregularly-shaped die16 Jun 2026US 12,654,213 B2A. L. M. T. Corp.
- Device for modifying a linear substrate2 Dec 2025US 12,485,448 B2Southwire Company
- Manufacturing insulated spherical weld gold wire for integrated circuit double-layer stacked package18 Nov 2025US 12,472,588 B2Shenzhen Zhongbao New Material Technology Co., Ltd.
- Wire drawing die24 Sep 2026US 2026/0284726 A1A. L. M. T. Corp.
- Wire drawing die13 Aug 2026US 2026/0233277 A1A. L. M. T. Corp.
- Process and apparatus for producing a hollow cylinder for a medical application7 May 2026US 2026/0124051 A1BIOTRONIK SE & Co. KG
- Method and mechanical arrangement for producing a wall profile on a plastically deformable hollow body wall5 Mar 2026US 2026/0061470 A1FELSS Systems GmbH
- Polycrystalline diamond compacts9 Oct 2025US 2025/0313514 A1US Synthetic Corporation
Most cited
By later US patents
- Rotary drill bit including polycrystalline diamond cutting elements320US 7,866,418 B2US Synthetic Corporation · 2011
- Method of making tool inserts and drill bits161US 4,481,016 A1984
- Apparatus for manufacturing profile pipes used in well construction123US 5,119,661 A1992
- Optically improved diamond wire die66US 5,465,603 AGeneral Electric Company · 1995
- Composite diamond compact for a wire drawing die and a process for the production of the same59US 4,374,900 ASumitomo Electric Industry, Ltd. · 1983