Hand-Held Suction System
US-2021275731-A1 · Sep 9, 2021 · US
especially adapted for liquid pumps
especially adapted for liquid 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 | F04D29/007 |
| Official title | {especially adapted for liquid pumps} |
| Display label | especially adapted for liquid pumps |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 20 |
| 2020 | 12 |
| 2021 | 19 |
| 2022 | 16 |
| 2023 | 14 |
| 2024 | 6 |
| 2025 | 20 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry treating apparatus
US-2021262150-A1 · Aug 26, 2021 · US
Liquid pump including an impeller connected directly to a rotor receiving sleeve
US-11028851-B2 · Jun 8, 2021 · US
Heat exchange module and serial pump thereof
US-11029738-B2 · Jun 8, 2021 · US
Pump casing for a centrifugal pump and centrifugal pump
US-10837455-B2 · Nov 17, 2020 · US
Hemispherical entrainment-type high-flow self-priming centrifugal pump
US-2020355185-A1 · Nov 12, 2020 · US
Centrifugal pump
US-10823183-B2 · Nov 3, 2020 · US
Impeller pump
US-10808705-B2 · Oct 20, 2020 · US
Washer fluid pump
US-2020324737-A1 · Oct 15, 2020 · US
Communication method and device, water pump, unmanned aerial vehicle, and computer-readable storage medium
US-2020319656-A1 · Oct 8, 2020 · US
Vehicular heating device and cooling water circulating pump provided therein
US-10744851-B2 · Aug 18, 2020 · US
Multi-stage horizontal centrifugal pump for conveying a fluid and a method for repairing the same
US-10724526-B2 · Jul 28, 2020 · US
Axial flow pump with reduced height dimension
US-2020182251-A1 · Jun 11, 2020 · US
Water supply system
US-10626872-B2 · Apr 21, 2020 · US
Pump system for removing water from pool covers and sumps
US-2020063744-A1 · Feb 27, 2020 · US
Synchronous reluctance rotary electric machine
US-10554081-B2 · Feb 4, 2020 · US
Debris removing impeller back vane
US-10514042-B2 · Dec 24, 2019 · US
Electric pump
US-2019345944-A1 · Nov 14, 2019 · US
Radial flow runner for a hydraulic machine
US-2019345953-A1 · Nov 14, 2019 · US
Pump
US-2019331125-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/007?
- CPC F04D29/007 is the Cooperative Patent Classification code for “especially adapted for liquid pumps.”
- How many patents are filed under CPC F04D29/007 (especially adapted for liquid pumps)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/007 growing?
- Publication counts under this code: 6 in 2024 vs 20 in 2025 (latest complete years).