F02K 9/95
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor: characterised by
Official title: characterised by starting or ignition means or arrangements (safety devices F02K9/38)
F02K9/95 (Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor: characterised by) appears on 228 US grants and 185 published applications in this corpus.
Search patents in F02K- Granted patents
- 228
- Published applications
- 185
- Assignees
- 137
- Inventors
- 524
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 5 | 1 |
| 2006 | 1 | 2 |
| 2007 | 4 | 4 |
| 2008 | 0 | 5 |
| 2009 | 4 | 4 |
| 2010 | 2 | 6 |
| 2011 | 3 | 5 |
| 2012 | 5 | 4 |
| 2013 | 7 | 7 |
| 2014 | 6 | 8 |
| 2015 | 6 | 8 |
| 2016 | 11 | 9 |
| 2017 | 8 | 20 |
| 2018 | 4 | 21 |
| 2019 | 14 | 10 |
| 2020 | 16 | 8 |
| 2021 | 12 | 5 |
| 2022 | 12 | 16 |
| 2023 | 11 | 10 |
| 2024 | 16 | 10 |
| 2025 | 11 | 6 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid ignitor8 Sep 2026US 12,729,662 B1Rtx Corporation
- Lightweight structural battery use in laser rocket18 Aug 2026US 12,710,022 B1
- Ignition device, method for producing the same, ignition method and rocket combustion system19 May 2026US 12,631,156 B2National University Corporation Hokkaido University
- Systems and methods for rocket propulsion including rocket motor using powder monopropellant14 Apr 2026US 12,601,313 B2Powder Fuels Ltd
- Ignition and operation of liquid fuel powered rocket engine3 Feb 2026US 12,540,590 B2Venus Aerospace Corp.
- Transient plasma enhanced combustion device for restartable solid rocket propulsion8 Oct 2026US 2026/0309133 A1The Aerospace Corporation
- Combustion chamber for producing hot gas10 Sep 2026US 2026/0266242 A1
- 3d-printed rocket fuel grains, rocket engines and an additive manufacturing process30 Apr 2026US 2026/0117725 A1X-Bow Launch Systems Inc.
- Ignition and operation of liquid fuel powered rocket engine30 Apr 2026US 2026/0117727 A1Venus Aerospace Corp.
- Ignition Safety System Loading Confirmation Device and Loading Monitoring System Including the Same5 Mar 2026US 2026/0063092 A1Agency for Defense Development
Most cited
By later US patents
- Multiple laser pulse ignition method and apparatus68US 5,756,924 AThe Regents of the University of California · 1998
- Combusting device for generation of a combustion gas49US 4,249,673 ANissan Motor Co., Ltd. · 1981
- Diode isolated thin film fuel cell array addressing method34US 6,403,403 B1The Aerospace Corporation · 2002
- Starting a gas turbine engine to maintain a dwelling speed after light-off33US 9,086,018 B2Hamilton Sundstrand Corporation · 2015
- Micro thrust and heat generator28US 5,836,150 AThe United States of America as represented by the United States Department of Energy · 1998