Multiple spool turbocharger
US-9500198-B2 · Nov 22, 2016 · US
the driving means being assisted by a power recovery turbine
the driving means being assisted by a power recovery turbine · 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 | F04D25/024 |
| Official title | {the driving means being assisted by a power recovery turbine} |
| Display label | the driving means being assisted by a power recovery turbine |
| Total patents | 426 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 52 |
| 2017 | 41 |
| 2018 | 48 |
| 2019 | 46 |
| 2020 | 44 |
| 2021 | 32 |
| 2022 | 33 |
| 2023 | 32 |
| 2024 | 38 |
| 2025 | 22 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Auto-ignition internal combustion engine with exhaust-gas turbocharging and exhaust-gas recirculation
US-2016333827-A1 · Nov 17, 2016 · US
Foil bearing, and foil bearing unit and turbo machine each having same
US-2016312655-A1 · Oct 27, 2016 · US
Compressor and motor vehicle
US-2016312690-A1 · Oct 27, 2016 · US
Method of installing a diffuser in an air cycle machine
US-9469406-B2 · Oct 18, 2016 · US
Turbocharger journal bearing system
US-2016290350-A1 · Oct 6, 2016 · US
Bearing cooling flow and energy recovery systems
US-2016281721-A1 · Sep 29, 2016 · US
Turbocharger and Method
US-2016281647-A1 · Sep 29, 2016 · US
Turbocharger and Method
US-2016281645-A1 · Sep 29, 2016 · US
Expander-integrated compressor, refrigerator and operating method for refrigerator
US-2016265545-A1 · Sep 15, 2016 · US
Housing assembly for a turbocharger
US-2016265553-A1 · Sep 15, 2016 · US
Turbocharger and method of producing thereof
US-9404509-B2 · Aug 2, 2016 · US
Variable turbine geometry turbocharger vane ring assembly retention device
US-2016195006-A1 · Jul 7, 2016 · US
Compressor housing and two-stage turbocharger thereof
US-9377025-B2 · Jun 28, 2016 · US
Dual thrust bearing for a turbocharger
US-2016177960-A1 · Jun 23, 2016 · US
Compressor assembly for turbocharger burst containment
US-2016177965-A1 · Jun 23, 2016 · US
Turbocharger purge seal including axisymmetric supply cavity
US-2016160872-A1 · Jun 9, 2016 · US
Adjustable-trim centrifugal compressor, and turbocharger having same
US-2016146099-A1 · May 26, 2016 · US
Variable turbine geometry turbocharger vane pack retainer
US-2016123334-A1 · May 5, 2016 · US
Bearing housing of an exhaust-gas turbocharger
US-9328628-B2 · May 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D25/024?
- CPC F04D25/024 is the Cooperative Patent Classification code for “the driving means being assisted by a power recovery turbine.”
- How many patents are filed under CPC F04D25/024 (the driving means being assisted by a power recovery turbine)?
- Our database includes 426 publications tagged with this CPC code.
- Is patent activity under CPC F04D25/024 growing?
- Publication counts under this code: 38 in 2024 vs 22 in 2025 (latest complete years).