F41B 6/006
Rail launchers
Official title: {Rail launchers}
F41B6/006 (Rail launchers) appears on 192 US grants and 58 published applications in this corpus.
Search patents in F41B- Granted patents
- 192
- Published applications
- 58
- Assignees
- 60
- Inventors
- 248
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 11 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 16 | 0 |
| 1990 | 17 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 3 | 3 |
| 2009 | 4 | 1 |
| 2010 | 5 | 2 |
| 2011 | 5 | 0 |
| 2012 | 5 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 3 |
| 2018 | 4 | 5 |
| 2019 | 4 | 1 |
| 2020 | 4 | 5 |
| 2021 | 7 | 4 |
| 2022 | 2 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 3 |
| 2025 | 6 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- Hyper-magnetic matter accelerator14 Oct 2025US 12,442,615 B2
- Intermittent in-situ current-carrying friction testing device3 Sep 2026US 2026/0259113 A1Jilin University
- Stead-Field Coilgun Methods and Devices5 Feb 2026US 2026/0036391 A1The 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 system6 Nov 2025US 2025/0342290 A1Shandong University
- Launch acceleration system26 Dec 2024US 2024/0426569 A1Applied Physics, Inc.
- Steady-field coilgun methods and devices5 Dec 2024US 2024/0401903 A1The Government of the United States of America, as represented by the Secretary of the Navy
Most cited
By later US patents
- 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
- Multistage electromagnetic accelerator45US 4,319,168 AWestinghouse Electric Corp. · 1982
- Electromagnetic projectile launching system with a concentric rail geometry38US 4,480,523 AWestinghouse Electric Corp. · 1984
- Switch for very large DC currents31US 4,433,607 AWestinghouse Electric Corp. · 1984