Inventor
RAPPINGER BO
6 patents
⚠️ This page may combine multiple inventors who share the name “RAPPINGER BO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASEA AB
5 patentsUS4618963AOct 21, 1986
Direct current arc furnace
ASEA AB9 citations72
US4541099ASep 10, 1985
DC Arc furnace improved hearth construction
ASEA AB17 citations72
US4324943AApr 13, 1982
DC Arc furnace hearth construction
ASEA AB12 citations72
US4701931AOct 20, 1987
Electrically conductive bricks
ASEA AB6 citations61
US4442526AApr 10, 1984
Electric arc furnace arcing electrode seal
ASEA AB4 citations61