Inventor · disambiguated record
Donald E. Ballard
Also filed as: BALLARD DONALD E
14 granted patents·374 citations·filing 1981–1993
94Inventor score
Files withGEN ELECTRIC14
Top patents by PatentIndex Score
14 records- 0195US4413406AProcessing amorphous metal into packets by bonding with low melting point materialGEN ELECTRIC·Filed 1981·Granted Nov 8, 1983·79 cites·16 claims
- 0293US4734975AMethod of manufacturing an amorphous metal transformer core and coil assemblyGEN ELECTRIC·Filed 1985·Granted Apr 5, 1988·76 cites·22 claims
- 0390US5005456AHot shear cutting of amorphous alloy ribbonGEN ELECTRIC·Filed 1988·Granted Apr 9, 1991·51 cites·1 claims
- 0481US4741096AMethod of manufacturing wound transformer coreGEN ELECTRIC·Filed 1986·Granted May 3, 1988·30 cites·11 claims
- 0580US4789849AAmorphous metal transformer core and coil assemblyGEN ELECTRIC·Filed 1988·Granted Dec 6, 1988·28 cites·13 claims
- 0674US4814736AWound transformer coreGEN ELECTRIC·Filed 1988·Granted Mar 21, 1989·22 cites·9 claims
- 0769US5285565AMethod for making a transformer core comprising amorphous steel strips surrounding the core windowGEN ELECTRIC·Filed 1991·Granted Feb 15, 1994·22 cites·4 claims
- 0861US5093981AMethod for making a transformer core comprising amorphous metal strips surrounding the core windowGEN ELECTRIC·Filed 1990·Granted Mar 10, 1992·17 cites·65 claims
- 0952US5050294AMethod for making a transformer core comprising amorphous steel strips surrounding the core windowGEN ELECTRIC·Filed 1990·Granted Sep 24, 1991·12 cites·16 claims
- 1047US4924201ACore and coil assembly for a transformer having an amorphous steel coreGEN ELECTRIC·Filed 1989·Granted May 8, 1990·8 cites·10 claims
- 1147US4790064AMethod of manufacturing an amorphous metal transformer core and coil assemblyGEN ELECTRIC·Filed 1988·Granted Dec 13, 1988·8 cites·4 claims
- 1244US4847987AMethod of making a core and coil assemblyGEN ELECTRIC·Filed 1988·Granted Jul 18, 1989·7 cites·11 claims
- 1337US5321379ATransformer with amorphous alloy core having chip containment meansGEN ELECTRIC·Filed 1993·Granted Jun 14, 1994·9 cites·7 claims
- 1435US5291648AApparatus for making a transformer core comprising amorphous metal strips surrounding the core windowGEN ELECTRIC·Filed 1992·Granted Mar 8, 1994·5 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →