F42B 19/125
Torpedoes provided with drag-reducing means
Official title: {Torpedoes provided with drag-reducing means (projectiles with drag-reducing means F42B10/38)}
F42B19/125 (Torpedoes provided with drag-reducing means) appears on 43 US grants and 22 published applications in this corpus.
Search patents in F42B- Granted patents
- 43
- Published applications
- 22
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 1 |
| 2004 | 4 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 0 |
| 2017 | 4 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Projectile launch apparatus for use in fluid environments22 Apr 2025US 12,281,875 B2The Secretary of State for Defence
- Variable diameter conical nose24 Dec 2024US 12,173,997 B1The United States of America as represented by the Secretary of the Navy
- Nose arrangement and method for deploying a nose arrangement of an underwater vehicle28 May 2024US 11,993,356 B2Saab AB
- Passive cavity deflation for impacting bodies after water entry30 Jan 2024US 11,885,600 B2Utah State University
- High speed surface craft and submersible craft4 Aug 2020US 10,730,597 B2Juliet Marine Systems, Inc.
- Projectile launch apparatus for use in fluid environments4 Jan 2024US 2024/0003659 A1The Secretary of State for Defence
- Passive Cavity Deflation for Impacting Bodies after Water Entry28 Dec 2023US 2023/0417522 A1Utah State University
- Nose arrangement and method for deploying a nose arrangement of an underwater vehicle7 Dec 2023US 2023/0391435 A1Saab AB
- Unmanned surface vessel3 Mar 2022US 2022/0065601 A1Solar Sailor Pty Ltd
- Passive Cavity Deflation for Impacting Bodies after Water Entry24 Feb 2022US 2022/0057181 A1Utah State University
Most cited
By later US patents
- Torpedo drag reduction employing polymer ejection32US 4,186,679 AThe United States of America as represented by the Secretary of the Navy · 1980
- High-speed supercavitating underwater vehicle20US 6,739,266 B1The United States of America as represented by the Secretary of the Navy · 2004
- Self-contained backflush/start system for suction LFC undersea vehicle19US 4,346,662 AThe United States of America as represented by the Secretary of the Navy · 1982
- Ultrasonic excitation of underwater torpedoes for enhancing maneuverability, speed and targeting accuracy18US 4,429,652 AInvocas, Inc. · 1984
- Supercavitation ventilation control system18US 6,684,801 B1The United States of America as represented by the Secretary of the Navy · 2004