Driving engine for vehicles
US-12429011-B2 · Sep 30, 2025 · US
with crankshaft
with crankshaft · 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 | F01B9/02 |
| Official title | with crankshaft |
| Display label | with crankshaft |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-speed long-stroke reciprocating engine
US-12421891-B1 · Sep 23, 2025 · US
Motion converting device
US-2025202332-A1 · Jun 19, 2025 · US
Magnetic bearing for supporting an rc piston
US-2025154984-A1 · May 15, 2025 · US
Driving engine for vehicles
US-2025075671-A1 · Mar 6, 2025 · US
Engine with high torque mechanism
US-11994060-B2 · May 28, 2024 · US
Engine with high torque mechanism
US-2023349320-A1 · Nov 2, 2023 · US
Multiple cylinder engine
US-11506119-B2 · Nov 22, 2022 · US
Multiple cylinder engine
US-2022003159-A1 · Jan 6, 2022 · US
Cooling device intended to equip an infrared vision device with a deformable element
US-10989446-B2 · Apr 27, 2021 · US
Operation system for piston-type expander, and operation method for piston-type expander
US-10975765-B2 · Apr 13, 2021 · US
Operation system for piston-type expander, and operation method for piston-type expander
US-2020408146-A1 · Dec 31, 2020 · US
Double-piston compressor of a compressed-air supply device
US-10859075-B2 · Dec 8, 2020 · US
Cooling device intended to equip an infrared vision device with a deformable element
US-2020132342-A1 · Apr 30, 2020 · US
Single shaft dual expansion internal combustion engine
US-10590841-B2 · Mar 17, 2020 · US
Stirling cooler with flexible regenerator drive
US-10544964-B2 · Jan 28, 2020 · US
Vibration reduction device
US-2019085937-A1 · Mar 21, 2019 · US
Variable compression ratio device
US-10087829-B2 · Oct 2, 2018 · US
Double-piston compressor of a compressed-air supply device
US-2018266406-A1 · Sep 20, 2018 · US
Variable compression ratio device
US-2018087455-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01B9/02?
- CPC F01B9/02 is the Cooperative Patent Classification code for “with crankshaft.”
- How many patents are filed under CPC F01B9/02 (with crankshaft)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F01B9/02 growing?
- Publication counts under this code: 1 in 2024 vs 5 in 2025 (latest complete years).