Inlet device for a vertical pump and an arrangement comprising such an inlet device
US-10844874-B2 · Nov 24, 2020 · US
suction eyes
suction eyes · 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 | F04D29/4273 |
| Official title | {suction eyes} |
| Display label | suction eyes |
| Total patents | 115 |
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 | 3 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 12 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 13 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drainage pump and cloth treating apparatus including same
US-2020362503-A1 · Nov 19, 2020 · US
Volute pump
US-10837462-B2 · Nov 17, 2020 · US
Centrifugal pump with impeller centering and vibration dampening
US-10830242-B2 · Nov 10, 2020 · US
Self-orienting gas evading intake for submersible pumps
US-2020308940-A1 · Oct 1, 2020 · US
Pump and dishwasher including the same
US-10653290-B2 · May 19, 2020 · US
Vortex adaption preventer
US-2020149549-A1 · May 14, 2020 · US
Drain pump volute with noise reduction feature
US-2020087830-A1 · Mar 19, 2020 · US
Centrifugal pump
US-2019368495-A1 · Dec 5, 2019 · US
Pump for conveying waste water as well as impeller and base plate for such a pump
US-10495092-B2 · Dec 3, 2019 · US
Suction Pipe Inlet Device For Centrifugal Pump
US-2019360495-A1 · Nov 28, 2019 · US
Pump and dishwasher including the same
US-2019307309-A1 · Oct 10, 2019 · US
Heat pump and dishwasher comprising the same
US-10405729-B2 · Sep 10, 2019 · US
Pump and dishwasher including the same
US-10368715-B2 · Aug 6, 2019 · US
Centrifugal pump
US-10363348-B2 · Jul 30, 2019 · US
Pump intake device
US-10323652-B2 · Jun 18, 2019 · US
Centrifugal pump
US-10272185-B2 · Apr 30, 2019 · US
Slim pump structure
US-2019107122-A1 · Apr 11, 2019 · US
Flow conditioning feature for suction diffuser
US-10240611-B2 · Mar 26, 2019 · US
Screw pump and impeller fan assemblies and method of operating
US-10240609-B2 · Mar 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/4273?
- CPC F04D29/4273 is the Cooperative Patent Classification code for “suction eyes.”
- How many patents are filed under CPC F04D29/4273 (suction eyes)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/4273 growing?
- Publication counts under this code: 13 in 2024 vs 3 in 2025 (latest complete years).