DB

Donald E. Ballard

GE: 14 patents #2,215 of 36,430Top 7%
Overall (All Time): #357,960 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5321379 Transformer with amorphous alloy core having chip containment means Duane Martin, Alan R. Traut, Rob McClellan 1994-06-14
5291648 Apparatus for making a transformer core comprising amorphous metal strips surrounding the core window Willi Klappert 1994-03-08
5285565 Method for making a transformer core comprising amorphous steel strips surrounding the core window Willi Klappert 1994-02-15
5093981 Method for making a transformer core comprising amorphous metal strips surrounding the core window Willi Klappert 1992-03-10
5050294 Method for making a transformer core comprising amorphous steel strips surrounding the core window Willi Klappert 1991-09-24
5005456 Hot shear cutting of amorphous alloy ribbon Peter G. Frischmann, Alan I. Taub 1991-04-09
4924201 Core and coil assembly for a transformer having an amorphous steel core 1990-05-08
4847987 Method of making a core and coil assembly 1989-07-18
4814736 Wound transformer core Albert Lee 1989-03-21
4790064 Method of manufacturing an amorphous metal transformer core and coil assembly Willi Klappert 1988-12-13
4789849 Amorphous metal transformer core and coil assembly Willi Klappert 1988-12-06
4741096 Method of manufacturing wound transformer core Albert Lee 1988-05-03
4734975 Method of manufacturing an amorphous metal transformer core and coil assembly Willi Klappert 1988-04-05
4413406 Processing amorphous metal into packets by bonding with low melting point material Moreland P. Bennett 1983-11-08