Inventor
GROEF HELMUT
5 patents
⚠️ This page may combine multiple inventors who share the name “GROEF HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEYBOLD HERAEUS GMBH & CO KG
4 patentsUS4262159AApr 14, 1981
Electroslag remelting apparatus with coaxial current paths
LEYBOLD HERAEUS GMBH & CO KG9 citations69
US4339624AJul 13, 1982
Electrode clamping device for electroremelting plants
LEYBOLD HERAEUS GMBH & CO KG3 citations60
US4394765AJul 19, 1983
Electro-slag remelting furnace for consumable electrodes and having an electrode drive
LEYBOLD HERAEUS GMBH & CO KG6 citations56
US4251678AFeb 17, 1981
Electrical melting apparatus with multiple electrode holding arms
LEYBOLD HERAEUS GMBH & CO KG1 citations49