Efd Induction S.A.
Records under this name other than the patents Efd Induction S.A. 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 1 patents it holds.
Showing 1 to 7 of 7 · Back to Efd Induction S.A.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,766,150 | Device for hardening the teeth of gear wheels by individual inductive heat treatment for each tooth, using several inductors Lapsed on the fee record Ended Jul 1, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jul 1, 2022 | From the USPTO record |
| US 6,842,355 | High output power high frequency resonant load inverters Term ended Term ended Nov 1, 2021 · From the USPTO record | Term ended | Term ended Nov 1, 2021 | From the USPTO record |
| US 8,338,760 | Inductor for induction hardening of metal, rod-shaped toothed racks Lapsed on the fee record Ended Dec 25, 2020 · From the USPTO record | Lapsed on the fee record | Ended Dec 25, 2020 | From the USPTO record |
| US 9,210,786 | Inductive plasma torch Lapsed on the fee record Ended Dec 8, 2019 · From the USPTO record | Lapsed on the fee record | Ended Dec 8, 2019 | From the USPTO record |
| US 6,900,420 | Cooled induction heating coil Lapsed on the fee record Ended May 31, 2017 · From the USPTO record | Lapsed on the fee record | Ended May 31, 2017 | From the USPTO record |
| US 7,442,255 | Crucible for a device for producing a block of crystalline material and method for producing same Lapsed on the fee record Ended Oct 28, 2016 · From the USPTO record | Lapsed on the fee record | Ended Oct 28, 2016 | From the USPTO record |
| US 8,216,373 | Device and process for producing a block of crystalline material Lapsed on the fee record Ended Jul 10, 2016 · From the USPTO record | Lapsed on the fee record | Ended Jul 10, 2016 | From the USPTO record |