Method and an arrangement for measuring mass changes of heat exchangers of a steam boiler
US-12379104-B2 · Aug 5, 2025 · US
Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down · 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 | F22B37/56 |
| Official title | Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down |
| Display label | Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and methods for controlling operation of a recovery boiler to reduce fouling
US-12345410-B2 · Jul 1, 2025 · US
Method of pre-operational cleaning of water and steam systems in combined cycle power plants and combined cycle power plant arranged therefor
US-2025188848-A1 · Jun 12, 2025 · US
Method and system for realtime monitoring and forecasting of fouling of air preheater equipment
US-12044400-B2 · Jul 23, 2024 · US
Solute concentration decision method and water quality management method for steam turbine plant
US-12025305-B2 · Jul 2, 2024 · US
Boiler flushing
US-12018595-B2 · Jun 25, 2024 · US
Steam turbine plant and control device, and water quality management method for steam turbine plant
US-11834969-B2 · Dec 5, 2023 · US
Systems and methods for predicting tube fouling in a fired apparatus, and for utilizing tube fouling predictions
US-11668536-B2 · Jun 6, 2023 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2023131798-A1 · Apr 27, 2023 · US
Method and Device for Determining Fouling in a Heat Exchanger
US-2023122608-A1 · Apr 20, 2023 · US
Method for suppressing corrosion fatigue of boiler evaporation tube
US-2023108206-A1 · Apr 6, 2023 · US
Method for reducing corrosion fatigue of evaporating tube in boiler
US-2023094476-A1 · Mar 30, 2023 · US
Boiler flushing
US-2022389843-A1 · Dec 8, 2022 · US
Method and system for realtime monitoring and forecasting of fouling of air preheater equipment
US-2022373171-A1 · Nov 24, 2022 · US
A method and an arrangement for measuring mass changes of heat exchangers of a steam boiler
US-2022357032-A1 · Nov 10, 2022 · US
Solute concentration decision method and water quality management method for steam turbine plant
US-2022290858-A1 · Sep 15, 2022 · US
Steam turbine plant and control device, and water quality management method for steam turbine plant
US-2022282639-A1 · Sep 8, 2022 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2021341140-A1 · Nov 4, 2021 · US
Systems and Methods for Predicting Tube Fouling in a Fired Apparatus, and for Utilizing Tube Fouling Predictions
US-2019331336-A1 · Oct 31, 2019 · US
Method for conditioning a power-generating circulatory system of a power plant
US-10315234-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F22B37/56?
- CPC F22B37/56 is the Cooperative Patent Classification code for “Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down.”
- How many patents are filed under CPC F22B37/56 (Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F22B37/56 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).