Ferropem
Records under this name other than the patents Ferropem holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 2 patents it holds.
Showing 1 to 10 of 10 · Back to Ferropem
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,569,092 | Inoculant products comprising bismuth and rare earths Term ended Term ended Dec 29, 2025 · From the USPTO record | Term ended | Term ended Dec 29, 2025 | From the USPTO record |
| US 7,615,095 | Products for the protection of continuous cast moulds for cast-iron pipes Term ended Term ended Mar 25, 2025 · From the USPTO record | Term ended | Term ended Mar 25, 2025 | From the USPTO record |
| US 7,858,063 | High Purity Metallurgical Silicon and Method for Preparing Same Lapsed on the fee record Ended Dec 28, 2022 · High confidence | Lapsed on the fee record | Ended Dec 28, 2022 | High confidence |
| US 7,404,941 | Medium purity metallurgical silicon and method for preparing same Lapsed on the fee record Ended Jul 29, 2020 · From the USPTO record | Lapsed on the fee record | Ended Jul 29, 2020 | From the USPTO record |
| US 6,377,603 | System for the assembly of a self-baking composite electrode for electric arc furnaces Term ended Term ended Jul 25, 2020 · From the USPTO record | Term ended | Term ended Jul 25, 2020 | From the USPTO record |
| US 6,916,356 | Method for preparing aluminum-silicon alloys Lapsed on the fee record Ended Jul 12, 2017 · From the USPTO record | Lapsed on the fee record | Ended Jul 12, 2017 | From the USPTO record |
| US 7,896,961 | Products of the dry-spray type, for the protection of centrifugal casting molds for cast iron pipes Lapsed on the fee record Ended Mar 1, 2015 · From the USPTO record | Lapsed on the fee record | Ended Mar 1, 2015 | From the USPTO record |
| US 5,429,866 | Metallurgical silicon powder exhibiting low surface oxidation Term ended Term ended no later than Jul 4, 2015 · Low confidence | Term ended | Term ended no later than Jul 4, 2015 | Low confidence |
| US 5,577,065 | Device for mounting a self-baking electrode for an electric arc furnace Term ended Term ended no later than Nov 19, 2016 · Low confidence | Term ended | Term ended no later than Nov 19, 2016 | Low confidence |
| US 5,733,502 | Ferroalloy for inoculation of spherulitic graphite irons Term ended Term ended no later than Mar 31, 2018 · Low confidence | Term ended | Term ended no later than Mar 31, 2018 | Low confidence |