Impellers for engine mounted boost stage pumps
US-2018291919-A1 · Oct 11, 2018 · US
Geometry, shape
Geometry, shape · 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 | F04D29/242 |
| Official title | {Geometry, shape} |
| Display label | Geometry, shape |
| Total patents | 239 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 16 |
| 2017 | 20 |
| 2018 | 17 |
| 2019 | 33 |
| 2020 | 27 |
| 2021 | 20 |
| 2022 | 26 |
| 2023 | 25 |
| 2024 | 17 |
| 2025 | 19 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impeller for a centrifugal pump
US-10094222-B2 · Oct 9, 2018 · US
Pump for circulating water
US-2018266430-A1 · Sep 20, 2018 · US
Adaptable thin section liquid pump for electronics cooling systems or other systems
US-2018199466-A1 · Jul 12, 2018 · US
Rotary parts for a slurry pump
US-2018172017-A1 · Jun 21, 2018 · US
Centrifugal pump
US-9938979-B2 · Apr 10, 2018 · US
Volute pump
US-2018051708-A1 · Feb 22, 2018 · US
Wet gas compressor and method
US-9890787-B2 · Feb 13, 2018 · US
Impeller and fluid machine
US-9874219-B2 · Jan 23, 2018 · US
Impeller assembly of fluid rotary machine and manufacturing method thereof
US-9835163-B2 · Dec 5, 2017 · US
Impeller, centrifugal fluid machine, and fluid device
US-2017306971-A1 · Oct 26, 2017 · US
Centrifugal compressor
US-2017306972-A1 · Oct 26, 2017 · US
Pump and method for mixed flow blood pumping
US-2017232168-A1 · Aug 17, 2017 · US
Centrifugal pump
US-9726181-B2 · Aug 8, 2017 · US
Impeller, centrifugal compressor, and refrigeration cycle apparatus
US-2017211584-A1 · Jul 27, 2017 · US
Impeller, And Pump And Fluid Delivery Device Using The Impeller
US-2017159669-A1 · Jun 8, 2017 · US
Turbo fan and air conditioning apparatus
US-9651056-B2 · May 16, 2017 · US
Rotor for a centrifugal flow machine and a centrifugal flow machine
US-9631633-B2 · Apr 25, 2017 · US
Impeller having blade having blade surface made up of line elements and method of machining the impeller
US-9631632-B2 · Apr 25, 2017 · US
Impeller having a sweeper
US-2017107653-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/242?
- CPC F04D29/242 is the Cooperative Patent Classification code for “Geometry, shape.”
- How many patents are filed under CPC F04D29/242 (Geometry, shape)?
- Our database includes 239 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/242 growing?
- Publication counts under this code: 17 in 2024 vs 19 in 2025 (latest complete years).