Ejector and vacuum generating device including the same
US-12435737-B2 · Oct 7, 2025 · US
the inducing fluid being elastic fluid
the inducing fluid being elastic fluid · 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 | F04F5/14 |
| Official title | the inducing fluid being elastic fluid |
| Display label | the inducing fluid being elastic fluid |
| 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 | 6 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enhanced motor cooling system and method
US-11959499-B2 · Apr 16, 2024 · US
Dilute phase powder pump and method for operating a dilute phase powder pump
US-11931762-B2 · Mar 19, 2024 · US
Jet pump
US-11905978-B2 · Feb 20, 2024 · US
Delivery unit for an anode circuit of a fuel cell system for delivering a gaseous medium, and fuel cell system
US-11894585-B2 · Feb 6, 2024 · US
Devices for producing vacuum using the Venturi effect having a solid fletch
US-11614098-B2 · Mar 28, 2023 · US
Ejector and vacuum generating device including the same
US-2022403856-A1 · Dec 22, 2022 · US
Enhanced motor cooling system and method
US-11391299-B2 · Jul 19, 2022 · US
Jet pump
US-2022213904-A1 · Jul 7, 2022 · US
Devices for producing vacuum using the venturi effect having a solid fletch
US-2022205460-A1 · Jun 30, 2022 · US
Delivery unit for an anode circuit of a fuel cell system for delivering a gaseous medium, and fuel cell system
US-2022093943-A1 · Mar 24, 2022 · US
Enhanced motor cooling system and method
US-2022025907-A1 · Jan 27, 2022 · US
Dilute phase powder pump and method for operating a dilute phase powder pump
US-2022016653-A1 · Jan 20, 2022 · US
Aspirator system
US-11174878-B2 · Nov 16, 2021 · US
Enhanced motor cooling system and method
US-11156233-B2 · Oct 26, 2021 · US
Ejector, ejector production method, and method for setting diffuser outlet flow path
US-11131326-B2 · Sep 28, 2021 · US
Dense phase pump diagnostics
US-11009424-B2 · May 18, 2021 · US
Powder jet pump
US-2020386243-A1 · Dec 10, 2020 · US
Override for an automatic release vacuum device
US-10823223-B2 · Nov 3, 2020 · US
Collapsible inflatable aspirator system
US-10780986-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04F5/14?
- CPC F04F5/14 is the Cooperative Patent Classification code for “the inducing fluid being elastic fluid.”
- How many patents are filed under CPC F04F5/14 (the inducing fluid being elastic fluid)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC F04F5/14 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).