Solar steam electricity system
US-12480428-B1 · Nov 25, 2025 · US
Applications of valves
Applications of valves · 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 | F22D5/34 |
| Official title | Applications of valves |
| Display label | Applications of valves |
| Total patents | 40 |
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 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solar electrical grid with distributed solar generation
US-12451762-B1 · Oct 21, 2025 · US
Method for controlling a steam generating system for a domestic steam cooking oven and steam generating system
US-12044401-B2 · Jul 23, 2024 · US
Combined cycle power plant having reduced parasitic pumping losses
US-2024229684-A9 · Jul 11, 2024 · US
Combined cycle power plant having reduced parasitic pumping losses
US-12031457-B2 · Jul 9, 2024 · US
Combined cycle power plant having reduced parasitic pumping losses
US-2024133320-A1 · Apr 25, 2024 · US
Steam generator and cooking apparatus including steam generator
US-11828458-B2 · Nov 28, 2023 · US
Aircraft galley steam oven
US-2022412573-A1 · Dec 29, 2022 · US
Feedwater control for a forced-flow waste-heat steam generator
US-11530812-B2 · Dec 20, 2022 · US
Steam generator and cooking apparatus including same
US-11466862-B2 · Oct 11, 2022 · US
Integrated control logic device and operating method thereof for main control valve and auxiliary control valve to control water level of steam generator of nuclear power plant
US-2022163196-A1 · May 26, 2022 · US
Exhaust gas cooler
US-11333348-B2 · May 17, 2022 · US
Solar aided coal-fired power generation system participating in primary frequency regulation and control method thereof
US-11236633-B2 · Feb 1, 2022 · US
Method for controlling a steam generating system for a domestic steam cooking oven and steam generating system
US-2022018532-A1 · Jan 20, 2022 · US
Control of power generation system with water level calibration for pressure vessel
US-11208920-B2 · Dec 28, 2021 · US
Feedwater control for a forced-flow waste-heat steam generator
US-2021341139-A1 · Nov 4, 2021 · US
Solar aided coal-fired power generation system participating in primary frequency regulation and control method thereof
US-2021310365-A1 · Oct 7, 2021 · US
Clothes treating apparatus
US-11035066-B2 · Jun 15, 2021 · US
Method for operating a waste heat steam generator
US-10948178-B2 · Mar 16, 2021 · US
Power plant and power output increase controlling method for power plant
US-10941677-B2 · Mar 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F22D5/34?
- CPC F22D5/34 is the Cooperative Patent Classification code for “Applications of valves.”
- How many patents are filed under CPC F22D5/34 (Applications of valves)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F22D5/34 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).