Hybrid boiler-dryer and method
US-11142717-B2 · Oct 12, 2021 · US
Arrangement of devices for supplying chemicals to fire
Arrangement of devices for supplying chemicals to fire · 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 | F23J7/00 |
| Official title | Arrangement of devices for supplying chemicals to fire |
| Display label | Arrangement of devices for supplying chemicals to fire |
| Total patents | 81 |
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 | 9 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 4 |
| 2020 | 13 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for pneumatically conveying a powdery material
US-11067273-B2 · Jul 20, 2021 · US
Combustion device and boiler
US-2021140634-A1 · May 13, 2021 · US
Boiler
US-2021140629-A1 · May 13, 2021 · US
Mineral additive blend compositions and methods of use thereof
US-10982163-B2 · Apr 20, 2021 · US
Quaternary ammonium amide and/or ester salts
US-10913910-B2 · Feb 9, 2021 · US
Gas combustion treatment device, combustion treatment method, and gas purification system including gas combustion treatment device
US-2021025588-A1 · Jan 28, 2021 · US
Device and method for treating flue gases
US-10788207-B2 · Sep 29, 2020 · US
Hybrid boiler-dryer and method
US-2020299600-A1 · Sep 24, 2020 · US
Method of combusting a sulfur-containing carbonaceous material with ash treatment
US-10760788-B2 · Sep 1, 2020 · US
Boiler and a method for NOx emission control from a boiler
US-10760789-B2 · Sep 1, 2020 · US
Process for pneumatically conveying a powdery material
US-2020200385-A1 · Jun 25, 2020 · US
Selective non-catalytic reduction (SNCR) of NOx in fluidized bed combustion reactors
US-10653996-B1 · May 19, 2020 · US
Process for generating cool flame and flameless fuel oxidation using non-equilibrium plasma activation
US-10640720-B2 · May 5, 2020 · US
Methods for operating a furnace
US-10641482-B2 · May 5, 2020 · US
Process for pneumatically conveying a powdery material
US-10627108-B2 · Apr 21, 2020 · US
Water based product for treating vanadium rich oils
US-10577553-B2 · Mar 3, 2020 · US
Quaternary Ammonium Amide And/Or Ester Salts
US-2020040271-A1 · Feb 6, 2020 · US
Combustion device and gas turbine
US-2020018231-A1 · Jan 16, 2020 · US
Combustion device and gas turbine engine system
US-2020018482-A1 · Jan 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23J7/00?
- CPC F23J7/00 is the Cooperative Patent Classification code for “Arrangement of devices for supplying chemicals to fire.”
- How many patents are filed under CPC F23J7/00 (Arrangement of devices for supplying chemicals to fire)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC F23J7/00 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).