Device and Method for Treating Flue Gases
US-2018347812-A1 · Dec 6, 2018 · US
for supplying chemicals to fumes, e.g. using injection devices
for supplying chemicals to fumes, e.g. using injection devices · 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 | F23J15/003 |
| Official title | {for supplying chemicals to fumes, e.g. using injection devices} |
| Display label | for supplying chemicals to fumes, e.g. using injection devices |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 15 |
| 2017 | 15 |
| 2018 | 20 |
| 2019 | 15 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chemical recovery boiler
US-2018180284-A1 · Jun 28, 2018 · US
Limestone supply device and air pollution control system
US-10005026-B2 · Jun 26, 2018 · US
System and method for mercury control for use in conjunction with one or more native halogens contained in a combustion fuel and/or source
US-2018161726-A1 · Jun 14, 2018 · US
Lithographic apparatus and method for loading a substrate
US-2018149983-A1 · May 31, 2018 · US
Air pollution control system and air pollution control method
US-9943804-B2 · Apr 17, 2018 · US
Wet scrubber and a method of cleaning a process gas
US-9895643-B2 · Feb 20, 2018 · US
System and method for increasing the service life and/or catalytic activity of an SCR catalyst and control of multiple emissions
US-9874350-B2 · Jan 23, 2018 · US
Boiler and device for selective non catalytic reduction
US-2017354927-A1 · Dec 14, 2017 · US
System and method for improving the performance of a selective catalyst reduction system in a heat recovery steam generator
US-2017259209-A1 · Sep 14, 2017 · US
Air pollution control system and air pollution control method
US-2017225121-A1 · Aug 10, 2017 · US
Apparatus and method for evaporating waste water and reducing acid gas emissions
US-9724638-B2 · Aug 8, 2017 · US
Systems and methods for treatment of flue gas
US-2017203252-A1 · Jul 20, 2017 · US
Air pollution control system and air pollution control method
US-9700839-B2 · Jul 11, 2017 · US
Systems and methods for mitigating the impact of vanadium in heavy fuel oil
US-2017191423-A1 · Jul 6, 2017 · US
Air pollution control system and air pollution control method
US-9669356-B2 · Jun 6, 2017 · US
Injector grid with two stage mixer
US-9649604-B2 · May 16, 2017 · US
Dual injection grid arrangement
US-9649594-B2 · May 16, 2017 · US
Treatment method for coal fly ash
US-2017113085-A1 · Apr 27, 2017 · US
Stabilization of at least one heavy metal contained in a sodic fly ash using a water-soluble source of silicate and a material containing calcium and/or magnesium
US-2017100618-A1 · Apr 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23J15/003?
- CPC F23J15/003 is the Cooperative Patent Classification code for “for supplying chemicals to fumes, e.g. using injection devices.”
- How many patents are filed under CPC F23J15/003 (for supplying chemicals to fumes, e.g. using injection devices)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC F23J15/003 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).