Jet pump system
US-2025271004-A1 · Aug 28, 2025 · US
of compressing pumps
of compressing pumps · 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 | F04F5/50 |
| Official title | of compressing pumps |
| Display label | of compressing pumps |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for detection and correction of reverse flow in an ejector refrigeration circui
US-2025085033-A1 · Mar 13, 2025 · US
Jet pump spool valve
US-11828302-B2 · Nov 28, 2023 · US
Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly
US-11746800-B2 · Sep 5, 2023 · US
Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly
US-2023003232-A1 · Jan 5, 2023 · US
Method for actuating a metering valve
US-2022384825-A1 · Dec 1, 2022 · US
Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly
US-11473593-B2 · Oct 18, 2022 · US
Tire inflator with inflation timer
US-11427165-B2 · Aug 30, 2022 · US
Ejector for a fuel cell system and fuel cell system
US-11156234-B2 · Oct 26, 2021 · US
Blower
US-2021277913-A1 · Sep 9, 2021 · US
Tire inflator with inflation timer
US-11027707-B1 · Jun 8, 2021 · US
Tire inflator with inflation timer
US-2021129802-A1 · May 6, 2021 · US
Ejector and ejector-type refrigeration cycle
US-10935051-B2 · Mar 2, 2021 · US
Ejector
US-10767905-B2 · Sep 8, 2020 · US
Ejector for a fuel cell system and fuel cell system
US-2020067112-A1 · Feb 27, 2020 · US
Ejector
US-2019041101-A1 · Feb 7, 2019 · US
Ejector and ejector-type refrigeration cycle
US-2018080482-A1 · Mar 22, 2018 · US
Ejector
US-9587650-B2 · Mar 7, 2017 · US
Ejector
US-9394921-B2 · Jul 19, 2016 · US
Ejector
US-9328742-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04F5/50?
- CPC F04F5/50 is the Cooperative Patent Classification code for “of compressing pumps.”
- How many patents are filed under CPC F04F5/50 (of compressing pumps)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F04F5/50 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).