Device for supporting a fluid-circulation duct, and assembly comprising such a device and such a duct
US-2025197036-A1 · Jun 19, 2025 · US
using movable nozzles
using movable nozzles · 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 | F02K9/84 |
| Official title | using movable nozzles |
| Display label | using movable nozzles |
| Total patents | 58 |
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 | 3 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid hydrogen-liquid oxygen fueled powerplant
US-11905914-B2 · Feb 20, 2024 · US
System for multiple burns from a rocket motor
US-11859579-B1 · Jan 2, 2024 · US
Cardan joint spider
US-11739797-B2 · Aug 29, 2023 · US
Liquid hydrogen-liquid oxygen fueled powerplant
US-2023258148-A1 · Aug 17, 2023 · US
Thruster nozzle assembly with flow regulator in throat area and rotary joint
US-2022397080-A1 · Dec 15, 2022 · US
Turbine pump assembly with turbine exhaust cooled heat exchanger for active hydraulic oil
US-11401892-B2 · Aug 2, 2022 · US
Hydraulic thrust vector yaw control for rocket catapult motor assembly
US-11338924-B2 · May 24, 2022 · US
Turbine pump assembly with turbine exhaust cooled heat exchanger for active hydraulic oil
US-2022025903-A1 · Jan 27, 2022 · US
Hydraulic thrust vector yaw control for rocket catapult motor assembly
US-2021276722-A1 · Sep 9, 2021 · US
Methods of forming flexible structures for a rocket motor assembly
US-10934973-B2 · Mar 2, 2021 · US
Vehicle
US-10899429-B2 · Jan 26, 2021 · US
Aerospike/bell hybrid rocket engine with combined bell nozzle within an aerospike nozzle
US-2020408171-A1 · Dec 31, 2020 · US
Flow control system for a rocket engine with parallel fuel passage network
US-10837406-B2 · Nov 17, 2020 · US
Thrust control apparatus of propulsion system
US-10823116-B2 · Nov 3, 2020 · US
Flexible bearing assemblies, rocket motors including such assemblies, and methods of forming flexible bearings
US-10815936-B2 · Oct 27, 2020 · US
Hydraulic lock for actuator
US-10808737-B2 · Oct 20, 2020 · US
Vehicle
US-2020255119-A1 · Aug 13, 2020 · US
Thrust control apparatus having inner and outer pintle nozzles controlled by common gear
US-10738740-B1 · Aug 11, 2020 · US
Device for modulating a gas ejection section
US-10690090-B2 · Jun 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/84?
- CPC F02K9/84 is the Cooperative Patent Classification code for “using movable nozzles.”
- How many patents are filed under CPC F02K9/84 (using movable nozzles)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/84 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).