B21F 25/00
Making barbed wire
B21F25/00 (Making barbed wire) appears on 36 US grants and 16 published applications in this corpus.
Search patents in B21F- Granted patents
- 36
- Published applications
- 16
- Assignees
- 16
- Inventors
- 39
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 4 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Deterrent material25 Feb 2025US 12,234,663 B2Cochrane USA, Inc.
- Texture workpiece and method for texturing a workpiece28 Mar 2023US 11,612,929 B2Gripmetal Limited
- Tool for barbed wire1 Jun 2021US 11,021,891 B2Wireman Pty Limited
- Barb tape and barb tape panel31 Dec 2019US 10,519,690 B2
- Razor wire29 Mar 2016US 9,297,179 B2Birmingham Barbed Tape Ltd.
- Deterrent material7 Apr 2022US 2022/0107162 A1Cochrane USA, Inc.
- Tool for barbed wire10 Dec 2020US 2020/0386008 A1Wireman Pty Limited
- Wire/Chain Installing and Tensioning Device26 Dec 2019US 2019/0388956 A1
- Texture workpiece and method for texturing a workpiece21 Nov 2019US 2019/0351476 A1Gripmetal Limited
- New type of electrostatic barbed wire and barbed net17 Oct 2019US 2019/0314827 A1Anhui Zhong Yan Electric Co., Ltd.
Most cited
By later US patents
- Process for making barbed material47US 3,941,164 A1976
- Apparatus and method for forming self-retaining sutures28US 8,615,856 B1Ethicon, Inc. · 2013
- Barrier23US 4,509,726 AAmerican Security Fence Company · 1985
- Barbed metal tape20US 4,040,603 AMan Barrier Corporation · 1977
- Reinforced barbed tape including electrical sensor20US 4,818,972 AMRM Security Systems, Inc. · 1989