Impeller and rotating machine
US-10859092-B2 · Dec 8, 2020 · US
Shape, geometry (F04D29/2211 takes precedence)
Shape, geometry (F04D29/2211 takes precedence) · 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 | F04D29/2216 |
| Official title | {Shape, geometry (F04D29/2211 takes precedence)} |
| Display label | Shape, geometry (F04D29/2211 takes precedence) |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 10 |
| 2024 | 15 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impeller and centrifugal pump
US-2020378405-A1 · Dec 3, 2020 · US
Engine system and method including first and second turbochargers
US-2020355111-A1 · Nov 12, 2020 · US
Scavenging centrifugal baffle pump
US-2020340475-A1 · Oct 29, 2020 · US
Molten metal rotor with hardened top
US-2020256350-A1 · Aug 13, 2020 · US
Impeller assembly for centrifugal pumps
US-10670035-B2 · Jun 2, 2020 · US
Centrifugal pump and method for manufacturing the same
US-2020166042-A1 · May 28, 2020 · US
Molten metal rotor with hardened tip
US-10641279-B2 · May 5, 2020 · US
Heat pump and dishwasher comprising the same
US-10602905-B2 · Mar 31, 2020 · US
Semi-Open Centrifugal Pump Impeller and Its Optimization Design
US-2020088208-A1 · Mar 19, 2020 · US
Impeller, centrifugal pump and electric pump
US-10590947-B2 · Mar 17, 2020 · US
Centrifugal pump and method for manufacturing the same
US-10584705-B2 · Mar 10, 2020 · US
Turbomachinery
US-2020063607-A1 · Feb 27, 2020 · US
Centrifugal pump
US-10539146-B2 · Jan 21, 2020 · US
Impeller and pump using the impeller
US-10495102-B2 · Dec 3, 2019 · US
Impeller and fan including the impeller
US-10458423-B2 · Oct 29, 2019 · US
Impeller and water pump having the same
US-2019323516-A1 · Oct 24, 2019 · US
Turbofan and air-conditioning apparatus
US-10451081-B2 · Oct 22, 2019 · US
Wash pump impeller for a dishwashing appliance and a method of additively manufacturing the same
US-2019313878-A1 · Oct 17, 2019 · US
Centrifugal pumps for medical uses
US-10377097-B2 · Aug 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/2216?
- CPC F04D29/2216 is the Cooperative Patent Classification code for “Shape, geometry (F04D29/2211 takes precedence).”
- How many patents are filed under CPC F04D29/2216 (Shape, geometry (F04D29/2211 takes precedence))?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/2216 growing?
- Publication counts under this code: 15 in 2024 vs 11 in 2025 (latest complete years).