Foam detection technique-algorithm for steam boilers using lwco device
US-2025075900-A1 · Mar 6, 2025 · US
responsive to low or high water level, e.g. for checking, suppressing or extinguishing combustion in boilers · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F22B37/46 |
| Official title | responsive to low or high water level, e.g. for checking, suppressing or extinguishing combustion in boilers |
| Display label | responsive to low or high water level, e.g. for checking, suppressing or extinguishing combustion in boilers |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025075900-A1 · Mar 6, 2025 · US
US-2024110697-A1 · Apr 4, 2024 · US
US-2020406310-A1 · Dec 31, 2020 · US
US-10256000-B2 · Apr 9, 2019 · US
US-10132492-B2 · Nov 20, 2018 · US
US-2016189807-A1 · Jun 30, 2016 · US
US-9208905-B2 · Dec 8, 2015 · US
US-2015090202-A1 · Apr 2, 2015 · US