F02K 9/978
Closures for nozzles
Official title: {Closures for nozzles; Nozzles comprising ejectable or discardable elements}
F02K9/978 (Closures for nozzles) appears on 74 US grants and 36 published applications in this corpus.
Search patents in F02K- Granted patents
- 74
- Published applications
- 36
- Assignees
- 42
- Inventors
- 152
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 3 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 3 |
| 2018 | 0 | 5 |
| 2019 | 2 | 2 |
| 2020 | 7 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rocket nozzle assembly with separable nozzle extension18 Aug 2026US 12,710,023 B1Blue Origin Manufacturing, LLC
- Rocket nozzle assembly with separable nozzle extension4 Aug 2026US 12,698,750 B1Blue Origin Manufacturing, LLC
- Rocket nozzle assembly with separable nozzle extension21 Jul 2026US 12,687,138 B1Blue Origin Manufacturing, LLC
- Rocket nozzle assembly with separable nozzle extension21 Jul 2026US 12,687,139 B1Blue Origin Manufacturing, LLC
- Rocket injector subscale stability assessment with telescoping throat or moveable injector plate7 Oct 2025US 12,435,683 B2Blue Origin Manufacturing, LLC
- Nozzle plugs and associated nozzles assemblies and methods18 Jun 2026US 2026/0168465 A1Northrop Grumman Systems Corporation
- Rocket injector subscale stability assessment with telescoping piston18 Sep 2025US 2025/0290469 A1Blue Origin Manufacturing, LLC
- Rocket injector subscale stability assessment with telescoping throat or moveable injector plate18 Sep 2025US 2025/0290470 A1Blue Origin Manufacturing, LLC
- Push-pull valve11 Sep 2025US 2025/0283553 A1Aerojet Rocketdyne, Inc.
- Rocket injector subscale stability assessment with telescoping piston4 Jul 2024US 2024/0218845 A1Blue Origin, LLC
Most cited
By later US patents
- Missile jet vane control system and method50US 5,806,791 ARaytheon Company · 1998
- Deployable diverging part for a thruster37US 6,418,710 B1Societe Nationale d'Etude et de Construction de Moteurs D'Aviation "S.N.E.C.M A." · 2002
- Nozzle ejection system14US 4,022,129 AThe United States of America as represented by the Secretary of the Air Force · 1977
- Fin and nozzle unit for a free-flight rocket14US 4,203,569 ABEI Electronics, Inc. · 1980
- Reverse bulged forward acting scored rupture disc bulkhead structure for multi-stage rocket motor14US 5,160,070 AFike Corporation · 1992