Inventor
BALLARD DONALD E
US14 patents
Patents
14 patentsUS4734975AApr 5, 1988
Method of manufacturing an amorphous metal transformer core and coil assembly
GEN ELECTRIC76 citations95
US4413406ANov 8, 1983
Processing amorphous metal into packets by bonding with low melting point material
GEN ELECTRIC79 citations95
US5285565AFeb 15, 1994
Method for making a transformer core comprising amorphous steel strips surrounding the core window
GEN ELECTRIC22 citations92
US5005456AApr 9, 1991
Hot shear cutting of amorphous alloy ribbon
GEN ELECTRIC51 citations92
US4789849ADec 6, 1988
Amorphous metal transformer core and coil assembly
GEN ELECTRIC28 citations92
US4741096AMay 3, 1988
Method of manufacturing wound transformer core
GEN ELECTRIC30 citations92
US4814736AMar 21, 1989
Wound transformer core
GEN ELECTRIC22 citations81
US5093981AMar 10, 1992
Method for making a transformer core comprising amorphous metal strips surrounding the core window
GEN ELECTRIC17 citations73
US5050294ASep 24, 1991
Method for making a transformer core comprising amorphous steel strips surrounding the core window
GEN ELECTRIC12 citations73
US4924201AMay 8, 1990
Core and coil assembly for a transformer having an amorphous steel core
GEN ELECTRIC8 citations73
US4847987AJul 18, 1989
Method of making a core and coil assembly
GEN ELECTRIC7 citations73
US4790064ADec 13, 1988
Method of manufacturing an amorphous metal transformer core and coil assembly
GEN ELECTRIC8 citations73
US5321379AJun 14, 1994
Transformer with amorphous alloy core having chip containment means
GEN ELECTRIC9 citations62
US5291648AMar 8, 1994
Apparatus for making a transformer core comprising amorphous metal strips surrounding the core window
GEN ELECTRIC5 citations62