Jet ejector arrangement, system and use thereof and method for operating the same
US-2025276337-A1 · Sep 4, 2025 · US
characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C)
characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C) · 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 | F04F5/42 |
| Official title | characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C) |
| Display label | characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C) |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid blade pump
US-2023296095-A1 · Sep 21, 2023 · US
Liquid blade pump
US-2023279875-A1 · Sep 7, 2023 · US
Aspirator air vent valve
US-11673675-B2 · Jun 13, 2023 · US
Method and a system for removing hydrogen sulphide ions (HS−) from a liquor of a pulp mill process
US-11473243-B2 · Oct 18, 2022 · US
Hybrid hydrocarbon lift system and method
US-2022316303-A1 · Oct 6, 2022 · US
Aerial vehicle turbine system
US-11370529-B2 · Jun 28, 2022 · US
Aspirator air vent valve
US-2022001995-A1 · Jan 6, 2022 · US
Aspirator air vent valve
US-11148818-B2 · Oct 19, 2021 · US
A method and a system for removing hydrogen sulphide ions (hs-) from a liquor of a pulp mill process
US-2021189648-A1 · Jun 24, 2021 · US
Fume exhaust assembly and fume exhaust device
US-10920789-B2 · Feb 16, 2021 · US
Powder jet pump
US-2020386243-A1 · Dec 10, 2020 · US
Aspirator air vent valve
US-2020122848-A1 · Apr 23, 2020 · US
Compact air aspirator with annular ejector
US-10473122-B2 · Nov 12, 2019 · US
Aerial vehicle turbine system
US-2019300157-A1 · Oct 3, 2019 · US
Humidifying apparatus
US-10408478-B2 · Sep 10, 2019 · US
Fume exhaust assembly and fume exhaust device
US-2019128283-A1 · May 2, 2019 · US
Ejector using swirl flow
US-10215196-B2 · Feb 26, 2019 · US
Ejector and ejector-type refrigeration cycle
US-10184704-B2 · Jan 22, 2019 · US
Compact air aspirator with annular ejector
US-2019017519-A1 · Jan 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04F5/42?
- CPC F04F5/42 is the Cooperative Patent Classification code for “characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C).”
- How many patents are filed under CPC F04F5/42 (characterised by the input flow of inducing fluid medium being radial or tangential to output flow (cyclones B04C))?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC F04F5/42 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).