F42B 19/22
By internal-combustion engines
Official title: by internal-combustion engines
F42B19/22 (By internal-combustion engines) appears on 12 US grants and 10 published applications in this corpus.
Search patents in F42B- Granted patents
- 12
- Published applications
- 10
- Assignees
- 6
- Inventors
- 9
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 5 |
| 2019 | 2 | 0 |
| 2020 | 2 | 3 |
| 2021 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-use torpedo propulsion system starter19 Oct 2021US 11,150,066 B2Hamilton Sundstrand Corporation
- Series hybrid architecture for an unmanned underwater vehicle propulsion system18 May 2021US 11,009,327 B2Hamilton Sundstrand Corporation
- Exhaust valve for multiple start torpedo9 Feb 2021US 10,914,562 B2Hamilton Sunstrand Corporation
- Parallel combustor configuration for unmanned underwater vehicle propulsion turbine11 Aug 2020US 10,738,697 B2Hamilton Sundstrand Corporation
- Series hybrid architecture for an unmanned underwater vehicle propulsion system21 Jul 2020US 10,718,598 B2Hamilton Sundstrand Corporation
- Multi-use torpedo propulsion system starter12 Nov 2020US 2020/0355480 A1Hamilton Sundstrand Corporation
- Exhaust valve for multiple start torpedo12 Nov 2020US 2020/0355481 A1Hamilton Sundstrand Corporation
- Series hybrid architecture for an unmanned underwater vehicle propulsion system8 Oct 2020US 2020/0318936 A1Hamilton Sundstrand Corporation
- Unmanned underwater vehicle propulsion system including a dc bus27 Dec 2018US 2018/0370606 A1Hamilton Sundstrand Corporation
- Unmanned underwater vehicle propulsion system including an ac power distribution bus27 Dec 2018US 2018/0370607 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Closed-loop cooling system for a hydrogen/oxygen based combustor19US 7,178,339 B2Lockheed Martin Corporation · 2007
- Monopropellant combustion system13US 6,931,832 B2United Technologies Corporation · 2005
- Unmanned underwater vehicle propulsion system including an AC power distribution bus8US 10,202,178 B2Hamilton Sundstrand Corporation · 2019
- Pulsed power hybrid electric unmanned underwater vehicle propulsion system8US 10,414,477 B2Hamilton Sundstrand Corporation · 2019
- Torpedo with external combustion engine for use with concentrated fuel7US 6,032,460 A2000