Midrex Technologies, Inc.
Records under this name other than the patents Midrex Technologies, Inc. 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 36 patents it holds.
Back to Midrex Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,039,794 | Reformer Tube Apparatus Having Variable Wall Thickness and Associated Method of Manufacture Formerly held In force · High confidence | In force | High confidence | |
| US 12,391,591 | Process cooling water system control systems and methods for iron and steelmaking applications Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,685,136 | System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas Lapsed on the fee record Ended Apr 1, 2026 · From the USPTO record | Lapsed on the fee record | Ended Apr 1, 2026 | From the USPTO record |
| US 8,377,417 | Method and apparatus for sequestering carbon dioxide from a spent gas Lapsed on the fee record Ended Feb 19, 2025 · From the USPTO record | Lapsed on the fee record | Ended Feb 19, 2025 | From the USPTO record |
| US 9,988,586 | Systems and methods for the use of Fischer-Tropsch tail gas in a gas to liquid process Lapsed on the fee record Ended Jun 5, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jun 5, 2022 | From the USPTO record |
| US 6,602,322 | High temperature metal recovery process Term ended Term ended Sep 1, 2021 · From the USPTO record | Term ended | Term ended Sep 1, 2021 | From the USPTO record |
| US 9,534,275 | Methods and systems for reducing chromium containing raw material Lapsed on the fee record Ended Jan 3, 2021 · From the USPTO record | Lapsed on the fee record | Ended Jan 3, 2021 | From the USPTO record |
| US 6,251,156 | Method of producing molten iron in duplex furnaces Term ended Term ended Oct 29, 2019 · From the USPTO record | Term ended | Term ended Oct 29, 2019 | From the USPTO record |
| US 6,582,491 | Method for producing molten iron in duplex furnaces Term ended Ended no later than Oct 29, 2019 · From the USPTO record | Term ended | Ended no later than Oct 29, 2019 | From the USPTO record |
| US 6,685,761 | Method for producing beneficiated titanium oxides Term ended Term ended Oct 29, 2019 · From the USPTO record | Term ended | Term ended Oct 29, 2019 | From the USPTO record |