Inventor
RITTMANN FRIEDRICH
DE13 patents
⚠️ This page may combine multiple inventors who share the name “RITTMANN FRIEDRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARC TECH SYST LTD
8 patentsUS4446561AMay 1, 1984
Axially movable electrode holder for use in electric steel production
ARC TECH SYST LTD7 citations72
US4468783AAug 28, 1984
Electrode for arc furnaces
ARC TECH SYST LTD8 citations70
US4442525AApr 10, 1984
Electrode for arc furnaces
ARC TECH SYST LTD6 citations70
US4481500ANov 6, 1984
Electrode for electric arc furnaces
ARC TECH SYST LTD2 citations60
US4466105AAug 14, 1984
Electrode for arc furnaces
ARC TECH SYST LTD3 citations59
US4518365AMay 21, 1985
Device for nippling active electrode sections onto a combination electrode
ARC TECH SYST LTD5 citations58
US4484897ANov 27, 1984
Device for nippling up electrodes in an electric furance
ARC TECH SYST LTD3 citations58
US4441190AApr 3, 1984
Coupling device for arc furnace electrodes
ARC TECH SYST LTD4 citations55
CONRADTY NUERNBERG
4 patentsUS4425657AJan 10, 1984
Electrode for arc furnaces
CONRADTY NUERNBERG7 citations70
US4474613AOct 2, 1984
Electrode for fusion electrolysis
CONRADTY NUERNBERG5 citations61
US4675878AJun 23, 1987
Method and device for the melting and heating of materials
CONRADTY NUERNBERG2 citations58
US4447300AMay 8, 1984
Electrode holder for use in fusion electrolysis
CONRADTY NUERNBERG1 citations51