Vacuum insulated blast tube
US-12372049-B2 · Jul 29, 2025 · US
Cooling arrangements {(for nozzles F02K9/972)}
Cooling arrangements {(for nozzles F02K9/972)} · 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 | F02K9/40 |
| Official title | Cooling arrangements {(for nozzles F02K9/972)} |
| Display label | Cooling arrangements {(for nozzles F02K9/972)} |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vacuum insulated blast tube
US-2025101933-A1 · Mar 27, 2025 · US
Heavy inert gas insulated blast tube
US-12065990-B1 · Aug 20, 2024 · US
Multipulse rocket motor with pressure-equalizing channels
US-2024167435-A1 · May 23, 2024 · US
High-temperature component and method of producing the high-temperature component
US-11920486-B2 · Mar 5, 2024 · US
Thrust chamber device and method for operating a thrust chamber device
US-2023279827-A1 · Sep 7, 2023 · US
High-temperature component and method of producing the high-temperature component
US-11746663-B2 · Sep 5, 2023 · US
Modular photonic reflectors
US-11693160-B2 · Jul 4, 2023 · US
Modular photonic reflectors
US-2022365259-A1 · Nov 17, 2022 · US
Multi-pulse gas generator device and igniter with varied flow rates
US-11415081-B2 · Aug 16, 2022 · US
High-temperature component and method of producing the high-temperature component
US-2022162962-A1 · May 26, 2022 · US
High-temperature component and method of producing the high-temperature component
US-2022074313-A1 · Mar 10, 2022 · US
Multi-pulse gas generator device
US-2021293205-A1 · Sep 23, 2021 · US
Gas turbine engine with thermoelectric system
US-10801408-B2 · Oct 13, 2020 · US
Cooling mechanism of combustion chamber, rocket engine having cooling mechanism, and method of manufacturing cooling mechanism
US-10787998-B2 · Sep 29, 2020 · US
Resin transfer molded rocket motor nozzle
US-10760531-B2 · Sep 1, 2020 · US
Resin transfer molded rocket motor nozzle
US-2019178207-A1 · Jun 13, 2019 · US
Propellant feed circuit and a cooling method
US-10082106-B2 · Sep 25, 2018 · US
Turbine engine wall having at least some cooling orifices that are plugged
US-9995219-B2 · Jun 12, 2018 · US
Cooling mechanism of combustion chamber, rocket engine having cooling mechanism, and method of manufacturing cooling mechanism
US-2018051655-A1 · Feb 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/40?
- CPC F02K9/40 is the Cooperative Patent Classification code for “Cooling arrangements {(for nozzles F02K9/972)}.”
- How many patents are filed under CPC F02K9/40 (Cooling arrangements {(for nozzles F02K9/972)})?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/40 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).