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Patent applications and USPTO patent grants for Dersch; Helmut.The latest application filed is for "resistive current limiter".
Patent | Date |
---|---|
Resistive current limiter Grant 5,235,309 - Preisler , et al. August 10, 1 | 1993-08-10 |
Device for inductive current limiting of an alternating current employing the superconductivity of a ceramic high-temperature superconductor Grant 5,140,290 - Dersch August 18, 1 | 1992-08-18 |
Process for reducing eddy currents in a superconductor strip, and a superconductor arrangement Grant 5,038,127 - Dersch August 6, 1 | 1991-08-06 |
Electrical conductor in wire or cable form composed of a sheathed wire or of a multiple-filament conductor based on a ceramic high-temperature superconductor Grant 4,988,669 - Dersch January 29, 1 | 1991-01-29 |
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