Non-occluding intra vascular blood pump providing reduced hemolysis
US-12078192-B2 · Sep 3, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F04D13/021 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 14 |
| 2019 | 14 |
| 2020 | 19 |
| 2021 | 17 |
| 2022 | 17 |
| 2023 | 26 |
| 2024 | 12 |
| 2025 | 16 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shaft coupling and pump apparatus
US-2018313358-A1 · Nov 1, 2018 · US
Wireline-Deployed ESP With Self-Supporting Cable
US-2018283384-A1 · Oct 4, 2018 · US
De-blocking device for a hydraulic pump
US-2018274560-A1 · Sep 27, 2018 · US
Mounting system for mounting a monitoring unit on a pump
US-2018258938-A1 · Sep 13, 2018 · US
Mechanical switchable automotive coolant pump
US-2018258832-A1 · Sep 13, 2018 · US
Electromechanical spring clutch with integrated speed detection
US-10066538-B2 · Sep 4, 2018 · US
Compressor device
US-2018245599-A1 · Aug 30, 2018 · US
Particle guard ring for mixed flow pump
US-2018195514-A1 · Jul 12, 2018 · US
Internal combustion engine provided with a cooling pump that can be mechanically disconnected
US-9970425-B2 · May 15, 2018 · US
Threaded connection having different upper and lower threads for submersible well pump modules
US-9920773-B2 · Mar 20, 2018 · US
Belt pulley arrangement for a belt drive for driving auxiliary units of a motor vehicle and method for driving an auxiliary unit of a motor vehicle connected via a belt pulley arrangement
US-9915198-B2 · Mar 13, 2018 · US
Method of manufacturing supercharger
US-2018051707-A1 · Feb 22, 2018 · US
Coolant pump with integrated closed-loop control
US-2017370274-A1 · Dec 28, 2017 · US
Low profile pump with the ability to be mounted in various configurations
US-9810241-B2 · Nov 7, 2017 · US
Fluid pump comprising a positive-locking clutch for a motor vehicle
US-9810222-B2 · Nov 7, 2017 · US
Methods and Apparatus for Providing ESP Stage Sequential Engagement
US-2017306731-A1 · Oct 26, 2017 · US
Dry friction clutch for a vehicle accessory
US-9765827-B2 · Sep 19, 2017 · US
Shrink disc connection for surface pump thrust carrying shafts
US-2017248151-A1 · Aug 31, 2017 · US
Low profile pump with the ability to be mounted in various configurations
US-2017248143-A1 · Aug 31, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D13/021?
- CPC F04D13/021 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F04D13/021 (Mechanical Engineering)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC F04D13/021 growing?
- Publication counts under this code: 12 in 2024 vs 16 in 2025 (latest complete years).