E.C.L.
Records under this name other than patents E.C.L. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,371,594 | Device for extracting short-circuiting wedges designed for switching in an electrolysis cell for the production of aluminum Formerly held Lapsed on the fee record Ended Jun 21, 2020 · From the USPTO record | Lapsed on the fee record | Ended Jun 21, 2020 | From the USPTO record |
| US 7,887,680 | Device and method for maintaining and connecting an anode rod on an anode frame of an aluminum electrolytic cell Lapsed on the fee record Ended Feb 15, 2019 · From the USPTO record | Lapsed on the fee record | Ended Feb 15, 2019 | From the USPTO record |
| US 7,857,954 | Compact pot tending module for use in plants for the production of aluminum by electrolysis Lapsed on the fee record Ended Dec 28, 2018 · From the USPTO record | Lapsed on the fee record | Ended Dec 28, 2018 | From the USPTO record |
| US 7,850,218 | Handling clamp for a machine designed for tending an electrolytic cell used for the production of aluminium Lapsed on the fee record Ended Dec 14, 2018 · From the USPTO record | Lapsed on the fee record | Ended Dec 14, 2018 | From the USPTO record |
| US 8,888,156 | Handling tool, for secure handling of connectors of electrolysis cells intended for aluminium production Lapsed on the fee record Ended Nov 18, 2018 · From the USPTO record | Lapsed on the fee record | Ended Nov 18, 2018 | From the USPTO record |
| US 7,779,580 | Guiding device for masts which telescopes within each other Lapsed on the fee record Ended Aug 24, 2018 · From the USPTO record | Lapsed on the fee record | Ended Aug 24, 2018 | From the USPTO record |
| US 7,780,823 | Compact service module for use in electrolytic aluminum production plants Lapsed on the fee record Ended Aug 24, 2018 · From the USPTO record | Lapsed on the fee record | Ended Aug 24, 2018 | From the USPTO record |
| US 8,756,837 | Fastening device for a collector of solid remains swiveling at the end of a mobile arm in particular fastening device for articulated buckets of a crust shovel Lapsed on the fee record Ended Jun 24, 2018 · From the USPTO record | Lapsed on the fee record | Ended Jun 24, 2018 | From the USPTO record |
| US 7,726,900 | System for connecting two shafts in translation Lapsed on the fee record Ended Jun 1, 2018 · From the USPTO record | Lapsed on the fee record | Ended Jun 1, 2018 | From the USPTO record |
| US 7,678,244 | Electrolytic cell leak limiter Lapsed on the fee record Ended Mar 16, 2018 · From the USPTO record | Lapsed on the fee record | Ended Mar 16, 2018 | From the USPTO record |