F02K 9/26
Burning control
Official title: Burning control {(F02K9/10, F02K9/34, F02K9/86, F02K9/92 and F02K9/94 take precedence)}
F02K9/26 (Burning control) appears on 91 US grants and 58 published applications in this corpus.
Search patents in F02K- Granted patents
- 91
- Published applications
- 58
- Assignees
- 49
- Inventors
- 209
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 2 | 2 |
| 2011 | 4 | 4 |
| 2012 | 2 | 1 |
| 2013 | 4 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 3 | 3 |
| 2017 | 2 | 4 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 5 | 3 |
| 2021 | 4 | 2 |
| 2022 | 3 | 3 |
| 2023 | 7 | 4 |
| 2024 | 4 | 3 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rocket motor including an embedded charge assembly (ECA) configured to support a burn rate enhancement (BRE) wire28 Oct 2025US 12,454,929 B1Raytheon Company
- Multi-pulse propulsion system with passive initiation21 May 2024US 11,988,173 B2Raytheon Company
- Multi-stage propellant systems, assemblies, and methods30 Jan 2024US 11,884,408 B2Goodrich Corporation
- Metal-stabilized propellant grain for gun-fired rocket motor, and rocket motor baffled end cap for reliable gunfire23 Jan 2024US 11,879,410 B2Raytheon Company
- Hybrid rocket oxidizer flow control system including regression rate sensors23 Jan 2024US 11,879,414 B2Sierra Space Corporation
- Transient plasma enhanced combustion device for restartable solid rocket propulsion8 Oct 2026US 2026/0309133 A1The Aerospace Corporation
- Bobbin-Form Solid Controlled and Filament Fed Hybrid Propulsion Methods for Space Vehicle Innovative Architectures19 Sep 2024US 2024/0309831 A1
- Duplex Turbine Guide Vane Assembly11 Jul 2024US 2024/0229745 A9ATRX, Inc.
- Duplex Turbine Guide Vane Assembly25 Apr 2024US 2024/0133352 A1ATRX, Inc.
- Hybrid rocket oxidizer flow control system including regression rate sensors12 Oct 2023US 2023/0323840 A1Sierra Space Corporation
Most cited
By later US patents
- Hybrid-LO2-LH2 low cost launch vehicle31US 5,765,361 A1998
- Combination diffuser, thermal barrier, and interchamber valve for rockets25US 4,023,355 AThiokol Corporation · 1977
- Multi-burn solid fuel restartable rocket and method of use20US 4,357,795 AGeneral Dynamics, Pomona Division · 1982
- Solid rocket motor propellants with reticulated structures embedded therein to provide variable burn rate characteristics20US 4,756,251 AMorton Thiokol, Inc. · 1988
- Methods of controlling solid propellant ignition, combustion, and extinguishment20US 7,770,380 B22010