Air control device for mounter
US-11589490-B2 · Feb 21, 2023 · US
of evacuating pumps
of evacuating 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 | F04F5/52 |
| Official title | of evacuating pumps |
| Display label | of evacuating pumps |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 12 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Auto-release vacuum device
US-11577407-B2 · Feb 14, 2023 · US
Ejector and vacuum generating device including the same
US-2022403856-A1 · Dec 22, 2022 · US
Vacuum ejector and seal valve unit
US-11530758-B2 · Dec 20, 2022 · US
Ejector module
US-11480197-B2 · Oct 25, 2022 · US
Ejector and refrigerating system
US-11460124-B2 · Oct 4, 2022 · US
Vacuum ejector and seal valve unit
US-11428342-B2 · Aug 30, 2022 · US
Ejector and refrigeration system
US-11365915-B2 · Jun 21, 2022 · US
Vacuum ejector and seal valve unit
US-2022089382-A1 · Mar 24, 2022 · US
Jet pump unit for controlling a gaseous medium
US-2022082114-A1 · Mar 17, 2022 · US
Auto-Release Vacuum Device
US-2022048205-A1 · Feb 17, 2022 · US
Device for cooling heat-sensitive control members of a pneumatic or electropneumatic valve, and valve equipped with such a cooling device
US-2022049793-A1 · Feb 17, 2022 · US
Dilute phase powder pump and method for operating a dilute phase powder pump
US-2022016653-A1 · Jan 20, 2022 · US
Aspirator air vent valve
US-2022001995-A1 · Jan 6, 2022 · US
Aspirator air vent valve
US-11148818-B2 · Oct 19, 2021 · US
Auto-release vacuum device
US-11148301-B2 · Oct 19, 2021 · US
Air control device for mounter
US-2021185867-A1 · Jun 17, 2021 · US
Override for an automatic release vacuum device
US-10823223-B2 · Nov 3, 2020 · US
Ejector and refrigerating system
US-2020292099-A1 · Sep 17, 2020 · US
Ejector and refrigeration system
US-2020292219-A1 · Sep 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04F5/52?
- CPC F04F5/52 is the Cooperative Patent Classification code for “of evacuating pumps.”
- How many patents are filed under CPC F04F5/52 (of evacuating pumps)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC F04F5/52 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).