F41H 11/08
Barbed-wire obstacles
Official title: Barbed-wire obstacles; Barricades; Stanchions; Tank traps; Vehicle-impeding devices; Caltrops {(making barbed wire B21F25/00; barbed-wire fencing E04H17/04; road barricades, obstructing passage of vehicles or pedestrians E01F13/00)}
F41H11/08 (Barbed-wire obstacles) appears on 145 US grants and 130 published applications in this corpus.
Search patents in F41H- Granted patents
- 145
- Published applications
- 130
- Assignees
- 70
- Inventors
- 240
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 4 | 9 |
| 2008 | 3 | 7 |
| 2009 | 5 | 6 |
| 2010 | 4 | 6 |
| 2011 | 11 | 6 |
| 2012 | 8 | 11 |
| 2013 | 9 | 4 |
| 2014 | 4 | 1 |
| 2015 | 4 | 7 |
| 2016 | 3 | 7 |
| 2017 | 3 | 5 |
| 2018 | 5 | 8 |
| 2019 | 11 | 11 |
| 2020 | 5 | 9 |
| 2021 | 6 | 4 |
| 2022 | 8 | 3 |
| 2023 | 6 | 8 |
| 2024 | 4 | 4 |
| 2025 | 6 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Protection device against truck ramming attacks3 Mar 2026US 12,565,748 B2Pitagone
- Gate beam16 Sep 2025US D1,093,658 S1Design
- Portable razor wire rapid deployment unit19 Aug 2025US 12,392,163 B2Allied Tube & Conduit Corporation
- Tire deflation device12 Aug 2025US 12,385,197 B1
- Tire spiker15 Apr 2025US 12,276,072 B2
- Projectile-Propelling Explosive Structure2 Apr 2026US 2026/0092759 A1River Front Services, Inc.
- Assembly for deployment of caltrop systems5 Feb 2026US 2026/0036405 A1Non-Such, LLC
- Barrier18 Sep 2025US 2025/0290344 A1Cochrane Gulf Fze
- Razor wire container with access opening14 Aug 2025US 2025/0256887 A1Allied Tube & Conduit Corporation
- Systems and methods for remotely deploying a vehicular tire deflation device15 May 2025US 2025/0155224 A1
Most cited
By later US patents
- Barrier45US 8,001,880 B2Defenshield, Inc. · 2011
- Magneto-inductive on-command fuze and firing device34US 6,253,679 B1The United States of America as represented by the Secretary of the Navy · 2001
- Ballistic barrier34US 7,980,166 B12011
- Instant defense barrier33US 4,666,331 A1987
- Extensible and retractable barrier and electromagnetic intrusion detector therefor32US 4,503,423 AMan Barrier Corporation · 1985