F41H 11/00
Defence installations
Official title: Defence installations; Defence devices (constructional aspects see Section E, e.g. {air-raid shelters} E04H9/04; {protective arrangements for buildings E04B1/92; extinguishing or preventing the spread of fire from, incendiary bombs A62C3/06; dynamic armour F41H5/007; ballistically deployed systems for restraining persons or animals F41H13/0006; electronic countermeasures G01S})
F41H11/00 (Defence installations) appears on 1,486 US grants and 1,339 published applications in this corpus.
Search patents in F41H- Granted patents
- 1,486
- Published applications
- 1,339
- Assignees
- 639
- Inventors
- 2,886
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 15 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 14 | 0 |
| 1998 | 13 | 0 |
| 1999 | 30 | 0 |
| 2000 | 10 | 0 |
| 2001 | 32 | 2 |
| 2002 | 35 | 24 |
| 2003 | 38 | 36 |
| 2004 | 24 | 47 |
| 2005 | 37 | 38 |
| 2006 | 28 | 43 |
| 2007 | 36 | 48 |
| 2008 | 36 | 61 |
| 2009 | 45 | 69 |
| 2010 | 46 | 48 |
| 2011 | 76 | 66 |
| 2012 | 54 | 83 |
| 2013 | 63 | 31 |
| 2014 | 54 | 51 |
| 2015 | 62 | 58 |
| 2016 | 55 | 68 |
| 2017 | 54 | 55 |
| 2018 | 53 | 79 |
| 2019 | 73 | 81 |
| 2020 | 72 | 73 |
| 2021 | 66 | 45 |
| 2022 | 57 | 61 |
| 2023 | 43 | 46 |
| 2024 | 53 | 52 |
| 2025 | 40 | 39 |
| 2026 | 31 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drone counter-swarm devices and methods29 Sep 2026US 12,747,933 B2Fireworks West Internationale Inc
- Method for protecting an object from a radar-guided missile15 Sep 2026US 12,736,311 B2Rheinmetall Waffe Munition GmbH
- Flying object coping system, surveillance ground center, coping ground center, communication route search device, flight path prediction device, and coping asset selection device25 Aug 2026US 12,715,616 B2Mitsubishi Electric Corporation
- High energy laser defense weapon system with automated UAS detection and classification functionality25 Aug 2026US 12,716,695 B2Kord Technologies, LLC
- Air-based laser counter-countermeasure system25 Aug 2026US 12,717,351 B2Textron Systems Corporation
- Minimizing gunshot detection false positives8 Oct 2026US 2026/0311718 A1Utility Associates, Inc.
- Drone based security and defense system24 Sep 2026US 2026/0288163 A1XTEND Reality Expansion Ltd.
- Drone-Defense Net Systems and Methods17 Sep 2026US 2026/0276349 A1High Impact Technology, L.L.C.
- Countermeasure10 Sep 2026US 2026/0266583 A1Mbda UK Limited
- System employing an event camera for synchronized response to fast approaching objects10 Sep 2026US 2026/0268674 A1Rafael Advanced Defense Systems Ltd.
Most cited
By later US patents
- Method for locating a concealed object382US 6,501,414 B2The United States of America as represented by the United States National Aeronautics and Space Administration · 2002
- Detection of concealed explosives and contraband345US 5,600,303 ATechnology International Incorporated · 1997
- Explosives disposal robot249US 6,113,343 A2000
- Detection of concealed explosives and contraband234US 5,692,029 ATechnology International Incorporated · 1997
- Deterent for unmanned aerial systems234US 9,715,009 B1XiDrone Systems, Inc. · 2017