Rotary compressor
US-2021363990-A1 · Nov 25, 2021 · US
Rotors
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 | F05B2240/20 |
| Official title | Rotors |
| Display label | Rotors |
| Total patents | 238 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 21 |
| 2022 | 41 |
| 2023 | 56 |
| 2024 | 45 |
| 2025 | 28 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fan frame body with damping structure and fan thereof
US-11181125-B2 · Nov 23, 2021 · US
Fastener arrangement for rotating group of turbomachine
US-2021355956-A1 · Nov 18, 2021 · US
Compressor
US-2021324856-A1 · Oct 21, 2021 · US
Vapor injection double reed valve plate
US-2021285445-A1 · Sep 16, 2021 · US
Rotary vane pump
US-2021270266-A1 · Sep 2, 2021 · US
Pump unit for a drive train of a motor vehicle
US-2021270267-A1 · Sep 2, 2021 · US
Liquid pump including an impeller connected directly to a rotor receiving sleeve
US-11028851-B2 · Jun 8, 2021 · US
Co-Rotating Scroll Compressor
US-2021148362-A1 · May 20, 2021 · US
Sealed drive for connecting progressive cavity pump rotors to universal joints
US-2021148358-A1 · May 20, 2021 · US
Water-flow power generating apparatus
US-2021131397-A1 · May 6, 2021 · US
Scroll compressor for a vehicle air-conditioning system having spiral wall including conical cut
US-10989193-B2 · Apr 27, 2021 · US
Screw compressor element and machine
US-2021095667-A1 · Apr 1, 2021 · US
Compressor
US-2021010473-A1 · Jan 14, 2021 · US
Rotary compressor having a combined vane-roller structure
US-2020408097-A1 · Dec 31, 2020 · US
Scroll compressor
US-2020400144-A1 · Dec 24, 2020 · US
Bent axis hydraulic pump with centrifugal assist
US-2020340463-A1 · Oct 29, 2020 · US
Scroll type compressor
US-2020309126-A1 · Oct 1, 2020 · US
Measuring system for measuring a surface of a rotor blade of a wind turbine
US-2020300225-A1 · Sep 24, 2020 · US
Assembly with guidance of an elongate thin lip in an elongate narrow slot and application to the assembling of an air guide on a nozzle
US-10746210-B2 · Aug 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05B2240/20?
- CPC F05B2240/20 is the Cooperative Patent Classification code for “Rotors.”
- How many patents are filed under CPC F05B2240/20 (Rotors)?
- Our database includes 238 publications tagged with this CPC code.
- Is patent activity under CPC F05B2240/20 growing?
- Publication counts under this code: 45 in 2024 vs 28 in 2025 (latest complete years).