Free piston generator based on rigid synchronous transmission system
US-11831225-B2 · Nov 28, 2023 · US
in compound cylinders
in compound cylinders · 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 | F02B41/06 |
| Official title | in compound cylinders |
| Display label | in compound cylinders |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 15 |
| 2023 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine and a vehicle
US-11702977-B2 · Jul 18, 2023 · US
Multiple cylinder engine
US-11635020-B2 · Apr 25, 2023 · US
Free piston generator based on split thermodynamic cycle
US-11616420-B2 · Mar 28, 2023 · US
Multiple cylinder engine
US-11603793-B2 · Mar 14, 2023 · US
Internal combustion engine system
US-11598248-B2 · Mar 7, 2023 · US
Internal combustion engine system
US-11519305-B2 · Dec 6, 2022 · US
Method for controlling injection in a combustion engine
US-11512654-B2 · Nov 29, 2022 · US
Six-cylinder opposed free piston internal combustion engine generator
US-11421586-B2 · Aug 23, 2022 · US
Engine systems and methods
US-11415083-B1 · Aug 16, 2022 · US
Internal combustion engine system
US-2022154604-A1 · May 19, 2022 · US
Internal combustion engine and a vehicle
US-2022154671-A1 · May 19, 2022 · US
Method for controlling injection in a combustion engine
US-2022154654-A1 · May 19, 2022 · US
Internal combustion engine system
US-2022154652-A1 · May 19, 2022 · US
Free Piston Generator Based on Rigid Synchronous Transmission System
US-2022123627-A1 · Apr 21, 2022 · US
Free Piston Generator Based on Split Thermodynamic Cycle
US-2022123626-A1 · Apr 21, 2022 · US
Six-Cylinder Opposed Free Piston Internal Combustion Engine Generator
US-2022120214-A1 · Apr 21, 2022 · US
Internal combustion engine system and a method for an internal combustion engine system
US-11286847-B2 · Mar 29, 2022 · US
Internal combustion engine arrangement
US-11220943-B2 · Jan 11, 2022 · US
Multiple cylinder engine
US-2022003161-A1 · Jan 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B41/06?
- CPC F02B41/06 is the Cooperative Patent Classification code for “in compound cylinders.”
- How many patents are filed under CPC F02B41/06 (in compound cylinders)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC F02B41/06 growing?
- Publication counts under this code: 15 in 2022 vs 6 in 2023 (latest complete years).