Trilateral cycle system
US-12255521-B2 · Mar 18, 2025 · US
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the fluid being in different phases, e.g. foamed
the fluid being in different phases, e.g. foamed · 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 | F01K25/04 |
| Official title | the fluid being in different phases, e.g. foamed |
| Display label | the fluid being in different phases, e.g. foamed |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trilateral cycle system
US-2024178725-A1 · May 30, 2024 · US
Use of a heat source for generation of electricity and aircraft comprising a cooling system
US-11811107-B2 · Nov 7, 2023 · US
Use of a heat source for generation of electricity and aircraft comprising a cooling system
US-2022238895-A1 · Jul 28, 2022 · US
Two phase oil cooling system
US-2020309467-A1 · Oct 1, 2020 · US
ORC for transforming waste heat from a heat source into mechanical energy and compressor installation making use of such an ORC
US-10788203-B2 · Sep 29, 2020 · US
Device and method for converting heat into mechanical energy
US-10683776-B2 · Jun 16, 2020 · US
ORC for transporting waste heat from a heat source into mechanical energy and cooling system making use of such an ORC
US-10612423-B2 · Apr 7, 2020 · US
Control system for supercritical working fluid turbomachinery
US-10584616-B2 · Mar 10, 2020 · US
System and method for storing energy in form of compressed air in tubes integrated in a tank containing water and water vapour
US-10190494-B2 · Jan 29, 2019 · US
Thermal to mechanical energy conversion method using a rankine cycle equipped with a heat pump
US-10132199-B2 · Nov 20, 2018 · US
Orc for transforming waste heat from a heat source into mechanical energy and cooling system making use of such an orc
US-2018252120-A1 · Sep 6, 2018 · US
Orc for transforming waste heat from a heat source into mechanical energy and compressor installation making use of such an orc
US-2018245788-A1 · Aug 30, 2018 · US
Control system for supercritical working fluid turbomachinery
US-2018038245-A1 · Feb 8, 2018 · US
Waste heat recovery system
US-9845711-B2 · Dec 19, 2017 · US
Working fluid for a device, device and method for converting heat into mechanical energy
US-9739179-B2 · Aug 22, 2017 · US
Device and method for converting heat into mechanical energy
US-2016319703-A1 · Nov 3, 2016 · US
Working fluid for a device, device and method for converting heat into mechanical energy
US-2016265390-A1 · Sep 15, 2016 · US
Thermal to mechanical energy conversion method using a rankine cycle equipped with a heat pump
US-2016265392-A1 · Sep 15, 2016 · US
System and method for storing energy in form of compressed air in tubes integrated in a tank containing water and water vapour
US-2016222881-A1 · Aug 4, 2016 · US