System for treating tin smelting intermediate materials and method for treating same
US-12492446-B2 · Dec 9, 2025 · US
for removing solid constituents
for removing solid constituents · 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 | F27D17/22 |
| Official title | for removing solid constituents |
| Display label | for removing solid constituents |
| Total patents | 38 |
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 | 4 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for reducing fossil co2 emissions
US-2025229224-A1 · Jul 17, 2025 · US
Method for treating arsenic-containing flue gas
US-12097461-B2 · Sep 24, 2024 · US
Induration machine
US-12050058-B2 · Jul 30, 2024 · US
Catalytic thermal debind furnaces with feedback control
US-11988381-B2 · May 21, 2024 · US
Method for direct reduction using vent gas
US-11773459-B2 · Oct 3, 2023 · US
Method and device for direct reduction with dry vent gas de-dusting
US-2023250499-A1 · Aug 10, 2023 · US
Method and device for direct reduction with dry vent gas de-dusting
US-11697855-B2 · Jul 11, 2023 · US
Apparatus and process for thermal treatment of mineral solids
US-2023131508-A1 · Apr 27, 2023 · US
System for treating tin smelting intermediate materials and method for treating same
US-2023111491-A1 · Apr 13, 2023 · US
Method for Treating Arsenic-Containing Flue Gas
US-2023080405-A1 · Mar 16, 2023 · US
Emission abatement apparatus for processing of particulates and method of using same
US-11566842-B2 · Jan 31, 2023 · US
System and method for recovering sulfur in copper smelting process
US-11286162-B2 · Mar 29, 2022 · US
Induration machine
US-2022026149-A1 · Jan 27, 2022 · US
Oven for carrying out heat treatments of friction elements, in particular brake pads, and associated method
US-11204199-B2 · Dec 21, 2021 · US
System and method for recovering sulfur in copper smelting process
US-2021331921-A1 · Oct 28, 2021 · US
Exhaust gas treatment system
US-11135543-B2 · Oct 5, 2021 · US
Oven for carrying out heat treatments of friction elements, in particular brake pads, and associated method
US-2021207887-A1 · Jul 8, 2021 · US
Emission abatement apparatus for processing of particulates and method of using same
US-2021116179-A1 · Apr 22, 2021 · US
Catalytic thermal debind furnaces with feedback control
US-2020393126-A1 · Dec 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D17/22?
- CPC F27D17/22 is the Cooperative Patent Classification code for “for removing solid constituents.”
- How many patents are filed under CPC F27D17/22 (for removing solid constituents)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC F27D17/22 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).