A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
US-2026028687-A1 · Jan 29, 2026 · US
Conveying particles in a conduct using a fluid · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D2003/185 |
| Official title | {Conveying particles in a conduct using a fluid} |
| Display label | Conveying particles in a conduct using a fluid |
| Total patents | 19 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026028687-A1 · Jan 29, 2026 · US
US-2026022428-A1 · Jan 22, 2026 · US
US-2026022429-A1 · Jan 22, 2026 · US
US-2026015682-A1 · Jan 15, 2026 · US
US-2025388985-A1 · Dec 25, 2025 · US
US-2024076754-A1 · Mar 7, 2024 · US
US-10823506-B2 · Nov 3, 2020 · US
US-10337076-B2 · Jul 2, 2019 · US
US-2018245850-A1 · Aug 30, 2018 · US
US-9873923-B2 · Jan 23, 2018 · US
US-9771626-B2 · Sep 26, 2017 · US
US-9745643-B2 · Aug 29, 2017 · US
US-9739535-B2 · Aug 22, 2017 · US
US-2016348199-A1 · Dec 1, 2016 · US
US-2016208349-A1 · Jul 21, 2016 · US
US-2016138120-A1 · May 19, 2016 · US
US-2015300740-A1 · Oct 22, 2015 · US
US-2015259758-A1 · Sep 17, 2015 · US
US-2015204610-A1 · Jul 23, 2015 · US