Forced induction device for an internal combustion engine
US-12173641-B2 · Dec 24, 2024 · US
Non-mechanical drives, e.g. fluid drives having variable gear ratio
Non-mechanical drives, e.g. fluid drives having variable gear ratio · 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 | F02B39/08 |
| Official title | Non-mechanical drives, e.g. fluid drives having variable gear ratio |
| Display label | Non-mechanical drives, e.g. fluid drives having variable gear ratio |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Forced induction device for an internal combustion engine
US-2024209772-A1 · Jun 27, 2024 · US
Engine control system and method
US-11499496-B2 · Nov 15, 2022 · US
Methods and systems for a turbocharger
US-11459940-B2 · Oct 4, 2022 · US
Integrated turbo-compressor with variable gear ratio transmission for internal combustion engine
US-11060449-B2 · Jul 13, 2021 · US
Methods and systems for a turbocharger
US-2021087965-A1 · Mar 25, 2021 · US
Adjustment mechanism for an inlet flow section of a compressor wheel of a turbocharger
US-10947893-B2 · Mar 16, 2021 · US
Bi-directional pump/motor
US-2021071567-A1 · Mar 11, 2021 · US
Turbo-compressors for internal combustion engines
US-2020386149-A1 · Dec 10, 2020 · US
Internal combustion engines with unidirectional compounding drives
US-10850860-B1 · Dec 1, 2020 · US
Adjustment mechanism for an inlet flow section of a compressor wheel of a turbocharger
US-2020141310-A1 · May 7, 2020 · US
Method for manufacturing a turbine wheel
US-2019376390-A1 · Dec 12, 2019 · US
Wastegate assembly, a turbocharger that utilizes the wastegate assembly and a method
US-10458319-B2 · Oct 29, 2019 · US
Compressor wheel, method of making the same, and turbocharger including the same
US-10436211-B2 · Oct 8, 2019 · US
Method for manufacturing a turbine wheel
US-10370972-B2 · Aug 6, 2019 · US
Turbocharger
US-2019226496-A1 · Jul 25, 2019 · US
Turbocharger
US-2019226393-A1 · Jul 25, 2019 · US
Engine control system and method
US-2019218993-A1 · Jul 18, 2019 · US
Control device of an engine
US-10309298-B2 · Jun 4, 2019 · US
Wastegate assembly, a turbocharger that utilizes the wastegate assembly and a method
US-2018347452-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B39/08?
- CPC F02B39/08 is the Cooperative Patent Classification code for “Non-mechanical drives, e.g. fluid drives having variable gear ratio.”
- How many patents are filed under CPC F02B39/08 (Non-mechanical drives, e.g. fluid drives having variable gear ratio)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F02B39/08 growing?
- Publication counts under this code: 2 in 2022 vs 2 in 2024 (latest complete years).