Method of operating a steam generator, steam generator and cooking device
US-11825977-B2 · Nov 28, 2023 · US
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Controlling water feed or water level; Automatic water feeding or water-level regulators
Controlling water feed or water level; Automatic water feeding or water-level regulators · 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 | F22D5/00 |
| Official title | Controlling water feed or water level; Automatic water feeding or water-level regulators |
| Display label | Controlling water feed or water level; Automatic water feeding or water-level regulators |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of operating a steam generator, steam generator and cooking device
US-2021177187-A1 · Jun 17, 2021 · US
All-condition auxiliary denitration system and operation method thereof
US-10960353-B2 · Mar 30, 2021 · US
Method for operating a waste heat steam generator
US-10948178-B2 · Mar 16, 2021 · US
All-condition auxiliary denitration system and operation method thereof
US-2021016224-A1 · Jan 21, 2021 · US
System and method for controlling a closed loop working on a rankine cycle with a tank and a pressure regulating device
US-10634011-B2 · Apr 28, 2020 · US
Steam using facility management method, and steam using facility
US-10551054-B2 · Feb 4, 2020 · US
Method for operating a waste heat steam generator
US-2019338944-A1 · Nov 7, 2019 · US
Method for reducing the oxygen content in steam generator wall tubes
US-10378757-B2 · Aug 13, 2019 · US
Boiler fill valve with fast-fill and non-oscilatting dial features
US-10247327-B2 · Apr 2, 2019 · US
Oxy boiler power plant oxygen feed system heat integration
US-10203112-B2 · Feb 12, 2019 · US
System and method for drum level control in a drum of a heat recovery steam generator
US-10132492-B2 · Nov 20, 2018 · US
Drainage collection system
US-9739477-B2 · Aug 22, 2017 · US
Steam Using Facility Management Method, and Steam Using Facility
US-2017227213-A1 · Aug 10, 2017 · US
Method for operating a directly heated, solar-thermal steam generator
US-9568216-B2 · Feb 14, 2017 · US
Separatorless boiler
US-2016084496-A1 · Mar 24, 2016 · US
Oxy boiler power plant oxygen feed system heat integration
US-2015323179-A1 · Nov 12, 2015 · US
Device for controlling a closed loop working on a rankine cycle and method using same
US-2015300210-A1 · Oct 22, 2015 · US
System and method for heat recovery steam generators
US-9097418-B2 · Aug 4, 2015 · US
System and method for drum level control in a drum of a heat recovery steam generator
US-2015090202-A1 · Apr 2, 2015 · US