Compressed air energy storage and power generation method and compressed air energy storage and power generation device
US-2019390599-A1 · Dec 26, 2019 · US
the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)}
the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)} · 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 | F02C1/04 |
| Official title | the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)} |
| Display label | the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)} |
| Total patents | 173 |
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 | 10 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 17 |
| 2019 | 19 |
| 2020 | 20 |
| 2021 | 28 |
| 2022 | 21 |
| 2023 | 18 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressed air energy storage and recovery system and method with constant volume heating
US-10480409-B2 · Nov 19, 2019 · US
Compressed air energy storage and power generation method and compressed air energy storage and power generation device
US-10480410-B2 · Nov 19, 2019 · US
Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
US-10458284-B2 · Oct 29, 2019 · US
Power recovery from quench and dilution vapor streams
US-2019284486-A1 · Sep 19, 2019 · US
Deep heat recovery gas turbine engine
US-10364744-B2 · Jul 30, 2019 · US
Compressed air energy storage power generation device
US-10344628-B2 · Jul 9, 2019 · US
Compressed air energy storage and power generation method and apparatus
US-10330008-B2 · Jun 25, 2019 · US
Compressed air energy storage and power generation device and compressed air energy storage and power generation method
US-2019170026-A1 · Jun 6, 2019 · US
Complex supercritical CO2 generation system
US-10309262-B2 · Jun 4, 2019 · US
Pump Control of Closed Cycle Power Generation System
US-2019162116-A1 · May 30, 2019 · US
Use of External Air for Closed Cycle Inventory Control
US-2019162122-A1 · May 30, 2019 · US
Pump control of closed cycle power generation system
US-10233833-B2 · Mar 19, 2019 · US
Compressed air energy storage power generation apparatus
US-2019072032-A1 · Mar 7, 2019 · US
Use of external air for closed cycle inventory control
US-10221775-B2 · Mar 5, 2019 · US
Heat pump
US-2019056152-A1 · Feb 21, 2019 · US
Adiabatic Salt Energy Storage
US-2019003308-A1 · Jan 3, 2019 · US
Gas expander
US-2018320546-A1 · Nov 8, 2018 · US
Adiabatic salt energy storage
US-10094219-B2 · Oct 9, 2018 · US
Providing power to a data center
US-10036272-B2 · Jul 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C1/04?
- CPC F02C1/04 is the Cooperative Patent Classification code for “the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)}.”
- How many patents are filed under CPC F02C1/04 (the working fluid being heated indirectly {(in a fluidised-bed combustor F02C3/205)})?
- Our database includes 173 publications tagged with this CPC code.
- Is patent activity under CPC F02C1/04 growing?
- Publication counts under this code: 14 in 2024 vs 8 in 2025 (latest complete years).