F02K 9/20
Of the external-burning type
Official title: of the external-burning type
F02K9/20 (Of the external-burning type) appears on 8 US grants and 6 published applications in this corpus.
Search patents in F02K- Granted patents
- 8
- Published applications
- 6
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 10 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 2-pulse gas generator and method of measuring propellant combustion surface position10 May 2022US 11,326,557 B2Mitsubishi Heavy Industries, Ltd.
- Two-pulse gas generator and operation method thereof2 Apr 2019US 10,247,139 B2Mitsubishi Heavy Industries, Ltd.
- Three-pulse gas generator and operation method thereof26 Jun 2018US 10,006,408 B2Mitsubishi Heavy Industries, Ltd.
- Buried radial flow rapid prototyping rocket motors10 Dec 2013US 8,601,790 B2The Aerospace Corporation
- Gas generator assembly7 Sep 2010US 7,789,018 B2Automotive Systems Laboratory, Inc.
- Rocket solid propellant grain25 Jun 2026US 2026/0176212 A1Siec Badawcza Lukasiewicz - Instytut Lotnictwa
- 2-pulse gas generator and method of measuring propellant combustion surface position23 Jan 2020US 2020/0025152 A1Mitsubishi Heavy Industries, Ltd.
- Two-pulse gas generator and operation method thereof28 Apr 2016US 2016/0115905 A1Mitsubishi Heavy Industries, Ltd.
- Multi-pulse gas generator and operation method thereof19 Feb 2015US 2015/0047316 A1Mitsubishi Heavy Industries, Ltd.
- Buried radial flow stereolithographic rocket motor11 Nov 2010US 2010/0281850 A1The Aerospace Corporation
Most cited
By later US patents
- Buried radial flow rapid prototyping rocket motors8US 8,601,790 B2The Aerospace Corporation · 2013
- Two-pulse gas generator and operation method thereof3US 10,247,139 B2Mitsubishi Heavy Industries, Ltd. · 2019
- Solid propellant designed to burn centripetally and its use in rocket engines or other motors3US 3,931,765 ASociete Nationale des Poudres et Explosifs · 1976
- Solid cylindrical centripetally burning propellant with four convex arced lobes3US 3,933,098 ASociete Nationale des Poudres et Explosifs · 1976
- Gas generator assembly3US 7,789,018 B2Automotive Systems Laboratory, Inc. · 2010