B21C 3/04
With non-adjustable section
Official title: with non-adjustable section (B21C3/08 takes precedence)
B21C3/04 (With non-adjustable section) appears on 42 US grants and 50 published applications in this corpus.
Search patents in B21C- Granted patents
- 42
- Published applications
- 50
- Assignees
- 44
- Inventors
- 116
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 5 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 1 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Wire drawing die3 Jun 2025US 12,318,828 B2A. L. M. T. Corp.
- Methods of boronizing sintered bodies and tools for cold forming operations and hollow wear parts with boronized sintered bodies7 May 2024US 11,976,011 B2Hyperion Materials & Technologies, Inc.
- Ultraconductive metal composite forms and the synthesis thereof26 Dec 2023US 11,854,715 B2Ohio University
- Irregularly-shaped die and method for producing irregularly-shaped wire24 Jul 2025US 2025/0235923 A1A. L. M. T. Corp.
- Devices and method for shaping a tubular hollow element27 Feb 2025US 2025/0065384 A1FELSS Systems GmbH
- Irregularly-shaped die2 Jan 2025US 2025/0001478 A1A. L. M. T. Corp.
- Apparatus and method for reducing the cross section of a tubular hollow body by shaping the hollow body22 Aug 2024US 2024/0278304 A1FELSS Systems GmbH
- Ultraconductive metal composite forms and the synthesis thereof4 Apr 2024US 2024/0112827 A1Ohio University
Most cited
By later US patents
- Wire drawing die with non-cylindrical interface configuration for reducing stresses12US 6,314,836 B1General Electric Company · 2001
- Split die and die nib defined by the same9US 6,810,712 B2Goto Electronic Co., Ltd. · 2004
- Fabrication of reinforced superconducting wires6US 10,049,793 B2H. C. Starck GmbH · 2018
- Wire drawing die with non-cylindrical interface configuration for reducing stresses6US 5,957,005 AGeneral Electric Company · 1999
- Hollow wire for faceted jewelry5US 6,370,860 B1Adipaz Ltd. · 2002