Abnormality determination device and abnormality determination method
US-11156516-B2 · Oct 26, 2021 · US
using pressurised fluid to pressurise the propellants
using pressurised fluid to pressurise the propellants · 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 | F02K9/50 |
| Official title | using pressurised fluid to pressurise the propellants |
| Display label | using pressurised fluid to pressurise the propellants |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 15 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three-dimensional monolithic diaphragm tank
US-2021310444-A1 · Oct 7, 2021 · US
Three-dimensional monolithic diaphragm tank
US-11067037-B2 · Jul 20, 2021 · US
Method for suppressing the pogo effect
US-10914268-B2 · Feb 9, 2021 · US
Vapor jet system enabling jetting for many seconds using multiple kinds of mutually insoluble liquid gases as fuel
US-10870502-B2 · Dec 22, 2020 · US
Supply system for supplying a rocket engine
US-2020386190-A1 · Dec 10, 2020 · US
Distributed fuel modules with hydraulic flow circuit breakers and gaseous flow circuit breakers
US-2020326730-A1 · Oct 15, 2020 · US
Casing for a propellant feed turbopump for a rocket engine
US-2020300197-A1 · Sep 24, 2020 · US
Methane/oxygen rocket engine with specific impulse enhancement by hot helium infusion
US-10605204-B2 · Mar 31, 2020 · US
Capacitive system for correcting the pogo effect with semi-centered discharge tube capable of being positioned in a bend
US-10563618-B2 · Feb 18, 2020 · US
Lean burn fuel injector
US-2020025386-A1 · Jan 23, 2020 · US
Three-dimensional monolithic diaphragm tank
US-2020018261-A1 · Jan 16, 2020 · US
Device for pressurizing propellant tanks of a rocket engine
US-10533523-B2 · Jan 14, 2020 · US
Methane/Oxygen Rocket Engine with Specific Impulse Enhancement by Hot Helium Infusion
US-2020011275-A1 · Jan 9, 2020 · US
Tridyne ignition and pressurization system for hypersonic vehicles
US-10495027-B1 · Dec 3, 2019 · US
Thermoelectric rocket propellant tank pressurization system
US-10495028-B1 · Dec 3, 2019 · US
Structural Propellant for ion rockets (SPIR)
US-10428806-B2 · Oct 1, 2019 · US
Method of regulating the pressure within a first rocket engine propellant tank
US-10415507-B2 · Sep 17, 2019 · US
Device for pressurizing a propellant tank of a rocket engine
US-10371098-B2 · Aug 6, 2019 · US
Stored pressure driven cycle
US-10309344-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/50?
- CPC F02K9/50 is the Cooperative Patent Classification code for “using pressurised fluid to pressurise the propellants.”
- How many patents are filed under CPC F02K9/50 (using pressurised fluid to pressurise the propellants)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/50 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).