F41B 6/00
Electromagnetic launchers
Official title: Electromagnetic launchers {; Plasma-actuated launchers (projectiles for electromagnetic or plasma guns F42B6/006)}
F41B6/00 (Electromagnetic launchers) appears on 378 US grants and 141 published applications in this corpus.
Search patents in F41B- Granted patents
- 378
- Published applications
- 141
- Assignees
- 130
- Inventors
- 479
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 14 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 18 | 0 |
| 1988 | 12 | 0 |
| 1989 | 21 | 0 |
| 1990 | 32 | 0 |
| 1991 | 26 | 0 |
| 1992 | 19 | 0 |
| 1993 | 17 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 5 |
| 2006 | 5 | 10 |
| 2007 | 0 | 7 |
| 2008 | 8 | 6 |
| 2009 | 6 | 6 |
| 2010 | 10 | 5 |
| 2011 | 15 | 4 |
| 2012 | 7 | 7 |
| 2013 | 3 | 2 |
| 2014 | 8 | 9 |
| 2015 | 3 | 3 |
| 2016 | 6 | 8 |
| 2017 | 8 | 7 |
| 2018 | 8 | 10 |
| 2019 | 8 | 5 |
| 2020 | 8 | 8 |
| 2021 | 13 | 9 |
| 2022 | 4 | 5 |
| 2023 | 7 | 3 |
| 2024 | 7 | 7 |
| 2025 | 7 | 2 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stead-field coilgun methods and devices31 Mar 2026US 12,590,779 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Projectile construction, launcher, and launcher accessory24 Mar 2026US 12,584,720 B2NL Enterprises, LLC
- Launch acceleration system23 Dec 2025US 12,504,253 B2Applied Physics, Inc.
- Steady-field coilgun methods and devices16 Dec 2025US 12,498,195 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Modeling simulation and multi-field coupling analysis method and system for electromagnetic railgun system4 Nov 2025US 12,462,078 B1Shandong University
- Projectile construction, launcher, and launcher accessory8 Oct 2026US 2026/0309451 A1Helix Defense
- Improved Firing Circuits for a Coil Gun8 Oct 2026US 2026/0309452 A1
- Variable Energy Accelerator Incorporating an Electronic Rangefinder24 Sep 2026US 2026/0287300 A1Arcflash Labs, Inc.
- Intermittent in-situ current-carrying friction testing device3 Sep 2026US 2026/0259113 A1Jilin University
- Advanced 360-degree surface projectile launch helmet system20 Aug 2026US 2026/0243546 A1
Most cited
By later US patents
- Electromagnetic transdermal injection device and methods related thereto167US 6,074,360 ABoehringer Mannheim GmbH · 2000
- Mobile assault logistic kinetmatic engagement device86US 5,020,411 A1991
- Multiple stage railgun64US 4,343,223 AThe United States of America as represented by the United States Department of Energy · 1982
- Electromagnetic projectile launcher with self-augmenting rails48US 4,347,463 AWestinghouse Electric Corp. · 1982
- Plasma propulsion apparatus and method48US 4,974,487 AGT-Devices · 1990