Sofco-Efs Holdings LLC
Records under this name other than patents Sofco-Efs Holdings LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,510,793 | Post-Reformer Treatment of Reformate Gas Formerly held In force · High confidence | In force | High confidence | |
| US 6,949,307 | High Performance Ceramic Fuel Cell Interconnect with Integrated Flowpaths and Method for Making Same Formerly held Term ended Term ended Sep 11, 2023 · High confidence | Term ended | Term ended Sep 11, 2023 | High confidence |
| US 6,767,376 | Selectively controllable modular auto-thermal reformer and method for same Formerly held Term ended Term ended Nov 19, 2022 · From the USPTO record | Term ended | Term ended Nov 19, 2022 | From the USPTO record |
| US 6,588,379 | Multi-stream energy source steam generator system Formerly held Term ended Term ended Aug 6, 2021 · From the USPTO record | Term ended | Term ended Aug 6, 2021 | From the USPTO record |
| US 6,376,117 | Internal fuel staging for improved fuel cell performance Formerly held Term ended Term ended Jul 18, 2020 · From the USPTO record | Term ended | Term ended Jul 18, 2020 | From the USPTO record |
| US 6,326,095 | Integrated manifold/reformer for fuel cell systems Formerly held Term ended Term ended Dec 13, 2019 · From the USPTO record | Term ended | Term ended Dec 13, 2019 | From the USPTO record |
| US 6,077,490 | Method and apparatus for filtering hot syngas Formerly held Term ended Term ended Mar 18, 2019 · From the USPTO record | Term ended | Term ended Mar 18, 2019 | From the USPTO record |
| US 6,265,095 | Interconnect for solid oxide fuel cells Term ended Term ended Mar 1, 2019 · From the USPTO record | Term ended | Term ended Mar 1, 2019 | From the USPTO record |
| US 6,224,993 | Electrolyte for solid oxide fuel cells Formerly held Term ended Term ended Oct 21, 2018 · From the USPTO record | Term ended | Term ended Oct 21, 2018 | From the USPTO record |
| US 6,183,897 | Via filled interconnect for solid oxide fuel cells Formerly held Term ended Term ended Sep 16, 2018 · From the USPTO record | Term ended | Term ended Sep 16, 2018 | From the USPTO record |