F02K 7/02
The jet being intermittent, i.e. pulse-jet
Official title: the jet being intermittent, i.e. pulse-jet
F02K7/02 (The jet being intermittent, i.e. pulse-jet) appears on 233 US grants and 241 published applications in this corpus.
Search patents in F02K- Granted patents
- 233
- Published applications
- 241
- Assignees
- 91
- Inventors
- 361
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 9 | 6 |
| 2003 | 15 | 13 |
| 2004 | 5 | 16 |
| 2005 | 14 | 17 |
| 2006 | 11 | 11 |
| 2007 | 6 | 13 |
| 2008 | 4 | 13 |
| 2009 | 5 | 5 |
| 2010 | 11 | 9 |
| 2011 | 8 | 12 |
| 2012 | 8 | 15 |
| 2013 | 8 | 9 |
| 2014 | 8 | 9 |
| 2015 | 12 | 10 |
| 2016 | 3 | 5 |
| 2017 | 5 | 8 |
| 2018 | 9 | 11 |
| 2019 | 8 | 10 |
| 2020 | 5 | 13 |
| 2021 | 4 | 6 |
| 2022 | 10 | 8 |
| 2023 | 12 | 9 |
| 2024 | 7 | 6 |
| 2025 | 1 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combustion mode switching engine6 Oct 2026US 12,753,730 B2PD AeroSpace, LTD.
- Rotating detonation engines and related devices and methods5 May 2026US 12,618,565 B2University of Cincinnati
- Method of operating a rotating detonation combustor18 Nov 2025US 12,474,056 B1General Electric Company
- Injection manifold with Tesla valves for rotating detonation engines24 Sep 2024US 12,098,848 B2Purdue Research Foundation
- Cooling for detonation engines16 Jul 2024US 12,038,179 B2Rtx Corporation
- Standing normal detonation jet engine and method of producing a standing normal detonation wave4 Jun 2026US 2026/0153065 A1University of Central Florida Research Foundation, Inc.
- Chamber for rotating detonation engine and wall obstacles for same7 May 2026US 2026/0126176 A1Rtx Corporation
- Systems, methods, and apparatus for fuel supply and injection12 Feb 2026US 2026/0043350 A1North American Wave Engine Corporation
- Supersonic Oblique Rotating Detonation Engine and Method of Creating a Supersonic Oblique Rotating Detonation Wave22 Jan 2026US 2026/0022680 A1University of Central Florida Research Foundation, Inc.
- Fuel injection and mixing apparatus for pulse combustors26 Jun 2025US 2025/0207543 A1North American Wave Engine Corporation
Most cited
By later US patents
- Pulse detonation engine97US 5,473,885 ALockheed Corporation · 1995
- Pulse combusted acoustic agglomeration apparatus and process95US 5,353,721 AManufacturing and Technology Conversion International, Inc. · 1994
- Fluid pump apparatus81US 6,547,530 B2Ntn Corporation · 2003
- Rotary valve multiple combustor pulse detonation engine76US 5,513,489 AAdroit Systems, Inc. · 1996
- Rotary valve multiple combustor pulse detonation engine70US 5,345,758 AAdroit Systems, Inc. · 1994