Solar aided coal-fired power generation system participating in primary frequency regulation and control method thereof
US-2021310365-A1 · Oct 7, 2021 · US
for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00)
for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00) · 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 | F01K17/02 |
| Official title | for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00) |
| Display label | for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00) |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 23 |
| 2023 | 18 |
| 2024 | 20 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Managing power usage in an industrial process
US-11131482-B1 · Sep 28, 2021 · US
Power plant and power output increase controlling method for power plant
US-10941677-B2 · Mar 9, 2021 · US
Turbine with supersonic separation
US-10794225-B2 · Oct 6, 2020 · US
Power Plant and Power Output Increase Controlling Method for Power Plant
US-2020308991-A1 · Oct 1, 2020 · US
Dry cooling systems using thermally induced polymerization
US-10752821-B2 · Aug 25, 2020 · US
Hybrid type power generation system
US-10731515-B2 · Aug 4, 2020 · US
Steam reboiler with turbine
US-10690010-B2 · Jun 23, 2020 · US
Supercritical CO2 power generating system for preventing cold-end corrosion
US-10641132-B2 · May 5, 2020 · US
Energy-recovery turbines for gas streams
US-2020003082-A1 · Jan 2, 2020 · US
Evaporator, rankine cycle apparatus, and combined heat and power system
US-10494957-B2 · Dec 3, 2019 · US
System and method of interfacing intercooled gas turbine engine with distillation process
US-10487695-B2 · Nov 26, 2019 · US
Dry cooling system using thermally induced vapor polymerization
US-10487694-B2 · Nov 26, 2019 · US
Method with solar assist to capture carbon dioxide and generate electricity, heat and desalinated water
US-2019353100-A1 · Nov 21, 2019 · US
Dry cooling systems using thermally induced polymerization
US-2019352551-A1 · Nov 21, 2019 · US
Solar power assisted system for generating electricity, heat and desalinated water
US-2019353099-A1 · Nov 21, 2019 · US
Storage-combined cold, heat and power
US-2019301749-A1 · Oct 3, 2019 · US
Turbine with supersonic separation
US-2019284960-A1 · Sep 19, 2019 · US
Steam reboiler with turbine
US-2019284961-A1 · Sep 19, 2019 · US
Solar assisted gas turbine desalination and carbon capture system
US-10408128-B2 · Sep 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01K17/02?
- CPC F01K17/02 is the Cooperative Patent Classification code for “for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00).”
- How many patents are filed under CPC F01K17/02 (for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00))?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC F01K17/02 growing?
- Publication counts under this code: 20 in 2024 vs 7 in 2025 (latest complete years).