A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
US-2026043100-A1 · Feb 12, 2026 · US
Runners therefor · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D3/145 |
| Official title | {Runners therefor} |
| Display label | Runners therefor |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026043100-A1 · Feb 12, 2026 · US
US-2026022428-A1 · Jan 22, 2026 · US
US-2026022429-A1 · Jan 22, 2026 · US
US-2026015682-A1 · Jan 15, 2026 · US
US-12311434-B2 · May 27, 2025 · US
US-2024226995-A9 · Jul 11, 2024 · US
US-2024131577-A1 · Apr 25, 2024 · US
US-10012443-B2 · Jul 3, 2018 · US
US-9534846-B2 · Jan 3, 2017 · US
US-2016161186-A1 · Jun 9, 2016 · US
US-9353582-B2 · May 31, 2016 · US
US-9297584-B2 · Mar 29, 2016 · US
US-9073119-B2 · Jul 7, 2015 · US
US-2015184940-A1 · Jul 2, 2015 · US