Impeller for catheter pump
US-12569668-B2 · Mar 10, 2026 · US
Semi axial flow rotors
Semi axial flow rotors · 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 | F04D29/183 |
| Official title | {Semi axial flow rotors} |
| Display label | Semi axial flow rotors |
| Total patents | 48 |
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 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrical submersible pump with single direction lubricant flow
US-12480498-B2 · Nov 25, 2025 · US
High volume axial flow electric submersible pump (ESP) pump stage
US-12305494-B2 · May 20, 2025 · US
Axial-flow pump for a ventricular assist device and method for producing an axial-flow pump for a ventricular assist device
US-2024399135-A1 · Dec 5, 2024 · US
Axial-flow pump for a ventricular assist device and method for producing an axial-flow pump for a ventricular assist device
US-12064615-B2 · Aug 20, 2024 · US
High volume axial flow electric submersible pump (esp) pump stage
US-2024175339-A1 · May 30, 2024 · US
Electrical submersible pump with single direction lubricant flow
US-2024125219-A1 · Apr 18, 2024 · US
Impeller for catheter pump
US-2024091523-A1 · Mar 21, 2024 · US
Impeller for catheter pump
US-11850413-B2 · Dec 26, 2023 · US
Integrated power pump
US-11702937-B2 · Jul 18, 2023 · US
Blade and pump impeller assembly for a dishwasher
US-11672402-B2 · Jun 13, 2023 · US
Diagonal fan having an optimized diagonal impeller
US-11542955-B2 · Jan 3, 2023 · US
Integrated power pump
US-2022333487-A1 · Oct 20, 2022 · US
Blade and pump impeller assembly for a dishwasher
US-2022313058-A1 · Oct 6, 2022 · US
Impeller for catheter pump
US-2022280770-A1 · Sep 8, 2022 · US
Blade and pump impeller assembly for a dishwasher
US-11382485-B2 · Jul 12, 2022 · US
Impeller for catheter pump
US-11357967-B2 · Jun 14, 2022 · US
Impeller for catheter pump
US-11311712-B2 · Apr 26, 2022 · US
Impeller for catheter pump
US-11260213-B2 · Mar 1, 2022 · US
Diagonal fan having an optimized diagonal impeller
US-2022049715-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/183?
- CPC F04D29/183 is the Cooperative Patent Classification code for “Semi axial flow rotors.”
- How many patents are filed under CPC F04D29/183 (Semi axial flow rotors)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/183 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).