Gas turbine exhaust heat recovery plant
US-11661867-B2 · May 30, 2023 · US
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by combined controlling procedures
by combined controlling procedures · 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 | F22G5/20 |
| Official title | by combined controlling procedures |
| Display label | by combined controlling procedures |
| Total patents | 18 |
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 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for setting parameters of load feedforward controller for superheated steam temperature control
US-2022341588-A1 · Oct 27, 2022 · US
Decompression apparatus for superheated steam
US-11035393-B2 · Jun 15, 2021 · US
Method and apparatus for reheat steam temperature control of oxy-fired boilers
US-10914467-B2 · Feb 9, 2021 · US
Decompression apparatus for superheated steam
US-2020309169-A1 · Oct 1, 2020 · US
Gas turbine exhaust heat recovery plant
US-2020284169-A1 · Sep 10, 2020 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-10429062-B2 · Oct 1, 2019 · US
High temperature sub-critical boiler with common steam cooled wall between furnace and convection pass
US-10415819-B2 · Sep 17, 2019 · US
Multi-variable state closed-loop control for a steam generator of a thermal power plant
US-10267512-B2 · Apr 23, 2019 · US
Waste heat recovery system and method of operating the same
US-10006311-B2 · Jun 26, 2018 · US
High temperature sub-critical boiler with steam cooled upper furnace and start-up methods
US-9920924-B2 · Mar 20, 2018 · US
High temperature sub-critical boiler with steam cooled upper furnace and start-up methods
US-2017284658-A1 · Oct 5, 2017 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-2017284657-A1 · Oct 5, 2017 · US
High temperature sub-critical boiler with common steam cooled wall between furnace and convection pass
US-2017284656-A1 · Oct 5, 2017 · US
Gas/liquid two-phase flow state controlling device and gas/liquid two-phase flow state controlling method
US-9367068-B2 · Jun 14, 2016 · US
Waste Heat Recovery System and Method of Operating the Same
US-2016138427-A1 · May 19, 2016 · US
Waste heat recovery system and method of operating the same
US-9267414-B2 · Feb 23, 2016 · US
Multi-variable state closed-loop control for a steam generator of a thermal power plant
US-2015276209-A1 · Oct 1, 2015 · US