Aircraft having a heat engine and device for using the exhaust gases from the heat engine
US-11976580-B2 · May 7, 2024 · US
using mixtures of liquid and steam or evaporation of a liquid by expansion
using mixtures of liquid and steam or evaporation of a liquid by expansion · 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 | F01K21/005 |
| Official title | {using mixtures of liquid and steam or evaporation of a liquid by expansion} |
| Display label | using mixtures of liquid and steam or evaporation of a liquid by expansion |
| Total patents | 39 |
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 | 1 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft having a heat engine and device for using the exhaust gases from the heat engine
US-2023150678-A1 · May 18, 2023 · US
Hydro-turbine drive methods and systems for application for various rotary machineries
US-11506088-B2 · Nov 22, 2022 · US
Combined cooling, heating and power system
US-11466594-B2 · Oct 11, 2022 · US
Heat pump system for producing steam by using recuperator
US-11306912-B2 · Apr 19, 2022 · US
Organic Rankine cycle based conversion of gas processing plant waste heat into power
US-10995636-B2 · May 4, 2021 · US
Expansion system
US-10830046-B2 · Nov 10, 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
Modified goswami cycle based conversion of gas processing plant waste heat into power and cooling
US-2020173310-A1 · Jun 4, 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
Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling
US-10577981-B2 · Mar 3, 2020 · US
Hydro-turbine drive methods and systems for application for various rotary machineries
US-2019390573-A1 · Dec 26, 2019 · US
Organic Rankine cycle based conversion of gas processing plant waste heat into power and cooling
US-10480352-B2 · Nov 19, 2019 · US
Heat pump system for producing steam by using recuperator
US-2019323704-A1 · Oct 24, 2019 · US
Combined cooling, heating and power system
US-2019277164-A1 · Sep 12, 2019 · US
Organic rankine cycle based conversion of gas processing plant waste heat into power and cooling
US-10227899-B2 · Mar 12, 2019 · US
Organic rankine cycle based conversion of gas processing plant waste heat into power
US-2019055857-A1 · Feb 21, 2019 · US
Organic Rankine Cycle Based Conversion of Gas Processing Plant Waste Heat into Power and Cooling
US-2019017418-A1 · Jan 17, 2019 · US
Modified goswami cycle based conversion of gas processing plant waste heat into power and cooling with flexibility
US-2019010832-A1 · Jan 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01K21/005?
- CPC F01K21/005 is the Cooperative Patent Classification code for “using mixtures of liquid and steam or evaporation of a liquid by expansion.”
- How many patents are filed under CPC F01K21/005 (using mixtures of liquid and steam or evaporation of a liquid by expansion)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F01K21/005 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).