Pipe flange coupling device, a pipe assembly and a top-submerged-lance (tsl) system
US-2022364661-A1 · Nov 17, 2022 · US
Charging particulate material using a fluid carrier
Charging particulate material using a fluid carrier · 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 | F27D3/18 |
| Official title | Charging particulate material using a fluid carrier |
| Display label | Charging particulate material using a fluid carrier |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 15 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick
US-2022235427-A1 · Jul 28, 2022 · US
Decompression heat-insulating pipe structure
US-11333289-B2 · May 17, 2022 · US
Continuous concentrate feeding equipment
US-11320204-B2 · May 3, 2022 · US
Continuous concentrate feeding equipment
US-2021331880-A1 · Oct 28, 2021 · US
Blast furnace apparatus and operation method for blast furnace
US-2021190426-A1 · Jun 24, 2021 · US
Process for injecting particulate material into a liquid metal bath
US-2020385829-A1 · Dec 10, 2020 · US
Installation for distributing pulverulent substance by pneumatic transportation, comprising a device for depressurizing a pressurized reservoir in which said substance is stored
US-10823506-B2 · Nov 3, 2020 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-10746471-B2 · Aug 18, 2020 · US
Feed mixture distribution device
US-10710035-B1 · Jul 14, 2020 · US
Decompression heat-insulating pipe structure
US-10711939-B2 · Jul 14, 2020 · US
Feed mixture distribution device
US-2020197885-A1 · Jun 25, 2020 · US
Burner and fine solids feeding apparatus for a burner
US-10655842-B2 · May 19, 2020 · US
Method and arrangement for feeding feed material from a bin for feed material into a furnace space of a smelting furnace
US-10605531-B2 · Mar 31, 2020 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-2020080784-A1 · Mar 12, 2020 · US
Burner-lance unit
US-10508315-B2 · Dec 17, 2019 · US
Method and arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace
US-10451350-B2 · Oct 22, 2019 · US
Decompression heat-insulating pipe structure
US-10443776-B2 · Oct 15, 2019 · US
Pneumatic ore charging
US-10337076-B2 · Jul 2, 2019 · US
Method and arrangement for adjusting characteristics of a furnace process in a furnace space and injection unit
US-2018245850-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D3/18?
- CPC F27D3/18 is the Cooperative Patent Classification code for “Charging particulate material using a fluid carrier.”
- How many patents are filed under CPC F27D3/18 (Charging particulate material using a fluid carrier)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F27D3/18 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).