Sofco L.P.
Records under this name other than patents Sofco L.P. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Sofco L.P.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| 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 6,265,095 | 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 |
| US 6,852,442 | Internal fuel staging for improved fuel cell performance Formerly held Lapsed on the fee record Ended Feb 8, 2017 · From the USPTO record | Lapsed on the fee record | Ended Feb 8, 2017 | From the USPTO record |
| US 6,519,041 | Hydrogen sensor for fuel cell applications Formerly held Lapsed on the fee record Ended Feb 11, 2015 · From the USPTO record | Lapsed on the fee record | Ended Feb 11, 2015 | From the USPTO record |
| US 6,368,739 | Joined solid oxide fuel cell stacks and method for fabricating same Lapsed on the fee record Ended Apr 9, 2006 · From the USPTO record | Lapsed on the fee record | Ended Apr 9, 2006 | From the USPTO record |