Rotary pump
US-9835158-B2 · Dec 5, 2017 · US
Details of the magnetic circuit
Details of the magnetic circuit · 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 | F04D13/064 |
| Official title | {Details of the magnetic circuit} |
| Display label | Details of the magnetic circuit |
| Total patents | 288 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 25 |
| 2017 | 30 |
| 2018 | 16 |
| 2019 | 44 |
| 2020 | 27 |
| 2021 | 24 |
| 2022 | 16 |
| 2023 | 21 |
| 2024 | 27 |
| 2025 | 30 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric centrifugal pump with containment shell grooves
US-2017343006-A1 · Nov 30, 2017 · US
Circulation pump assembly
US-2017324298-A1 · Nov 9, 2017 · US
Implantable blood pump
US-2017246365-A1 · Aug 31, 2017 · US
Pump and method for mixed flow blood pumping
US-2017232168-A1 · Aug 17, 2017 · US
Implantable blood pump
US-9675741-B2 · Jun 13, 2017 · US
Centrifugal pump apparatus
US-9638202-B2 · May 2, 2017 · US
Water-cooling device
US-2017118870-A1 · Apr 27, 2017 · US
Pump unit
US-9624931-B2 · Apr 18, 2017 · US
Pump housing made from at least three different sinterable materials
US-2017102001-A1 · Apr 13, 2017 · US
In-line flow mixer
US-9601964-B2 · Mar 21, 2017 · US
Hall sensor mounting in an implantable blood pump
US-2017065755-A1 · Mar 9, 2017 · US
Sensor mounting in an implantable blood pump
US-9579436-B2 · Feb 28, 2017 · US
Reducing Centrifugal Pump Bearing Wear Through Dynamic Magnetic Coupling
US-2017045054-A1 · Feb 16, 2017 · US
Electromagnetic rotary drive
US-2017012491-A1 · Jan 12, 2017 · US
Reducing centrifugal pump bearing wear through dynamic magnetic coupling
US-9511178-B2 · Dec 6, 2016 · US
Hall sensor mounting in an implantable blood pump
US-9492599-B2 · Nov 15, 2016 · US
Pump unit
US-9490668-B2 · Nov 8, 2016 · US
Electronic pump
US-2016319828-A1 · Nov 3, 2016 · US
Centrifugal pump apparatus
US-2016281728-A1 · Sep 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D13/064?
- CPC F04D13/064 is the Cooperative Patent Classification code for “Details of the magnetic circuit.”
- How many patents are filed under CPC F04D13/064 (Details of the magnetic circuit)?
- Our database includes 288 publications tagged with this CPC code.
- Is patent activity under CPC F04D13/064 growing?
- Publication counts under this code: 27 in 2024 vs 30 in 2025 (latest complete years).