F02K 9/76
With another rocket-engine plant
Official title: with another rocket-engine plant; Multistage rocket-engine plants
F02K9/76 (With another rocket-engine plant) appears on 76 US grants and 41 published applications in this corpus.
Search patents in F02K- Granted patents
- 76
- Published applications
- 41
- Assignees
- 56
- Inventors
- 188
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 3 |
| 2003 | 1 | 2 |
| 2004 | 4 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 4 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 4 | 0 |
| 2021 | 0 | 3 |
| 2022 | 1 | 3 |
| 2023 | 6 | 4 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Multimode propulsion system14 Jan 2025US 12,196,158 B2Phase Four, Inc.
- Annular vortex tank valve for rocket motor and configuration in a rocket2 Jul 2024US 12,025,076 B1Vaya Space, Inc.
- Multi-pulse propulsion system with passive initiation21 May 2024US 11,988,173 B2Raytheon Company
- System for multiple burns from a rocket motor2 Jan 2024US 11,859,579 B1Triad National Security, LLC
- Ring-shaped booster rocket26 Dec 2023US 11,852,103 B2Raytheon Company
- Propulsion stage of a launch rocket, launch rocket and method for controlling a propulsion stage1 May 2025US 2025/0136296 A1
- Propulsion stage of a launch vehicle, launch vehicle and method of operating a launch vehicle1 May 2025US 2025/0136298 A1
- Multimode propulsion system8 Aug 2024US 2024/0263599 A1Phase Four, Inc.
- Duplex Turbine Guide Vane Assembly11 Jul 2024US 2024/0229745 A9ATRX, Inc.
- Annular vortex tank valve for rocket motor and configuration in a rocket4 Jul 2024US 2024/0218844 A1Vaya Space, Inc.
Most cited
By later US patents
- Two stage launch vehicle and launch trajectory method66US 5,568,901 A1996
- Hybrid rocket system and integrated motor for use therein49US 5,715,675 AEnvironmental Aeroscience Corp. · 1998
- Launch vehicle with interstage propellant manifolding38US 5,141,181 A1992
- Modular solid-propellant launch vehicle and related launch facility34US 5,217,188 ATRW Inc. · 1993
- Launch vehicle with reconfigurable interstage propellant manifolding and solid rocket boosters33US 5,143,328 A1992