Ring-shaped booster rocket
US-11852103-B2 · Dec 26, 2023 · US
Casings; Combustion chambers; Liners thereof
Casings; Combustion chambers; Liners thereof · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02K9/34 |
| Official title | Casings; Combustion chambers; Liners thereof |
| Display label | Casings; Combustion chambers; Liners thereof |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propulsion system with initiators for selective activation of multiple rocket motors
US-11846252-B2 · Dec 19, 2023 · US
Liquid rocket engine assemblies and related methods
US-11846256-B2 · Dec 19, 2023 · US
Precursor compositions for an insulation and related methods
US-2023287848-A1 · Sep 14, 2023 · US
Insulation precursors, rocket motors, and related methods
US-11753544-B2 · Sep 12, 2023 · US
Ring-shaped booster rocket
US-11732677-B2 · Aug 22, 2023 · US
Hybrid metal composite structures, rocket motors including hybrid metal composite structures, and related methods
US-11719193-B2 · Aug 8, 2023 · US
Multi-stage propellant systems, assemblies, and methods
US-2023166851-A1 · Jun 1, 2023 · US
Ceramic materials comprising preceramic resin formulations, and related articles and methods
US-11634583-B2 · Apr 25, 2023 · US
Variable volume high energy catapult assemblies for ejection systems
US-11479362-B1 · Oct 25, 2022 · US
Variable volume high energy catapult assemblies for ejection systems
US-2022332428-A1 · Oct 20, 2022 · US
Barrier coating resin formulations, and related methods
US-11472750-B2 · Oct 18, 2022 · US
Ring-shaped booster rocket
US-2022268238-A1 · Aug 25, 2022 · US
Ring-shaped booster rocket
US-2022268240-A1 · Aug 25, 2022 · US
Catalyst chamber with a catalyst bed embedded therein for a monopropellant thruster of a rocket engine
US-11248563-B2 · Feb 15, 2022 · US
Hybrid metal composite structures, rocket motors including hybrid metal composite structures, and related methods
US-2021340933-A1 · Nov 4, 2021 · US
Precursor compositions for an insulation, insulated rocket motors, and related methods
US-2021277160-A1 · Sep 9, 2021 · US
Liquid rocket engine assemblies and related methods
US-2021262417-A1 · Aug 26, 2021 · US
Liquid rocket engine assemblies and related methods
US-11028802-B2 · Jun 8, 2021 · US
Insulation precursors, rocket motors, and related methods
US-2021061999-A1 · Mar 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/34?
- CPC F02K9/34 is the Cooperative Patent Classification code for “Casings; Combustion chambers; Liners thereof.”
- How many patents are filed under CPC F02K9/34 (Casings; Combustion chambers; Liners thereof)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/34 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).