Apparatus of decreasing intake air temperature of engine
US-2023382179-A1 · Nov 30, 2023 · US
characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point
characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point · 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 | F01P3/22 |
| Official title | characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point |
| Display label | characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 16 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine assemely provided with an internal combustion engine cooled by a phase change material
US-2022412246-A1 · Dec 29, 2022 · US
Arrangement for converting thermal energy from lost heat of an internal combustion engine
US-11448098-B2 · Sep 20, 2022 · US
Cooling apparatus of vehicle driving system
US-11396227-B2 · Jul 26, 2022 · US
Arrangement for converting thermal energy from lost heat of an internal combustion engine
US-11371393-B2 · Jun 28, 2022 · US
Method and system for operating a gaseous fuel vehicle
US-11041424-B2 · Jun 22, 2021 · US
Engine damper cooling utilizing cab a/c circuit
US-2021164382-A1 · Jun 3, 2021 · US
Engine cooling system with two thermostats, including a closed loop in a Rankine cycle
US-11008928-B2 · May 18, 2021 · US
Arrangement for Converting Thermal Energy From Lost Heat of an Internal Combustion Engine
US-2020392922-A1 · Dec 17, 2020 · US
Method to reduce engine coolant temperature based on climate fan speed
US-10865698-B1 · Dec 15, 2020 · US
Arrangement for Converting Thermal Energy From Lost Heat of an Internal Combustion Engine
US-2020340371-A1 · Oct 29, 2020 · US
Technique for cooling for an internal combustion engine
US-10815864-B2 · Oct 27, 2020 · US
Engine and coolant system control systems and methods
US-10794253-B2 · Oct 6, 2020 · US
System and method for adjusting the rate of coolant flow through an engine based on coolant pressure
US-10669922-B2 · Jun 2, 2020 · US
Cooling system for hybrid vehicle
US-2020088090-A1 · Mar 19, 2020 · US
Heat exchanger unit
US-2020088477-A1 · Mar 19, 2020 · US
Engine cooling system
US-10513964-B2 · Dec 24, 2019 · US
Engine and coolant system control systems and methods
US-2019383187-A1 · Dec 19, 2019 · US
Method for controlling a cooling system delivering coolant to heat exchanger in a vehicle
US-10508589-B2 · Dec 17, 2019 · US
Internal combustion engine
US-2019368407-A1 · Dec 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P3/22?
- CPC F01P3/22 is the Cooperative Patent Classification code for “characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point.”
- How many patents are filed under CPC F01P3/22 (characterised by evaporation and condensation of coolant in closed cycles (other cooling by evaporation F01P9/02); characterised by the coolant reaching higher temperatures than normal atmospheric boiling-point)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC F01P3/22 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).