F02K 9/50
Using pressurised fluid to pressurise the propellants
Official title: using pressurised fluid to pressurise the propellants
F02K9/50 (Using pressurised fluid to pressurise the propellants) appears on 148 US grants and 108 published applications in this corpus.
Search patents in F02K- Granted patents
- 148
- Published applications
- 108
- Assignees
- 96
- Inventors
- 294
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 4 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 5 |
| 2013 | 2 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 5 |
| 2016 | 4 | 12 |
| 2017 | 2 | 8 |
| 2018 | 3 | 6 |
| 2019 | 6 | 4 |
| 2020 | 7 | 7 |
| 2021 | 8 | 3 |
| 2022 | 6 | 10 |
| 2023 | 4 | 8 |
| 2024 | 14 | 5 |
| 2025 | 7 | 2 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic decomposition reactors28 Jul 2026US 12,692,824 B2Firehawk Aerospace, Inc.
- Methods and systems for propellant reconditioning for short-duration thrusters burns9 Jun 2026US 12,650,100 B1Blue Origin Manufacturing, LLC
- Reservoir assembly for a spacecraft6 Jan 2026US 12,515,821 B2Finis Terrae S.R.L.
- Catalytic decomposition reactors9 Sep 2025US 12,410,765 B2Firehawk Aerospace, Inc.
- Nuclear thermal propulsion system with reactor direct drive of cryocooler turbine8 Jul 2025US 12,351,344 B2Blue Origin Manufacturing, LLC
- Turbine assembly28 May 2026US 2026/0146575 A1Korea Aerospace Research Institute
- Hybrid solar thermal and chemical vehicle configurations for space mining applications19 Mar 2026US 2026/0078718 A1Trans Astronautica Corporation
- Rocket Motor and Components Thereof19 Mar 2026US 2026/0078719 A1Dawn Aerospace Limited
- Reusable space vehicle for long-dwell payload hosting, orbital maneuvers, and downmass operations, and related method26 Feb 2026US 2026/0054858 A1STOKE Space Technologies, Inc.
- System and method for asynchronous autogenously pressurized in-space propulsion26 Feb 2026US 2026/0054861 A1Government of the United States as Represented by the Secretary of the Air Force
Most cited
By later US patents
- Electric vehicle with battery regeneration dependent on battery charge state51US 6,116,368 ALockheed Martin Corporation · 2000
- Spacecraft attitude and velocity control thruster system40US 6,135,393 ATRW Inc. · 2000
- Liquid-solid propulsion system and method32US 5,099,645 AGeneral Dynamics Corporation, Space Systems Division · 1992
- Liquid fuel expulsion system24US 4,561,568 AThe United States of America as represented by the Secretary of the Army · 1985
- Liquid propellant densification24US 5,644,920 ARockwell International Corporation · 1997