Inventor
ARP DAVID F
US4 patents
⚠️ This page may combine multiple inventors who share the name “ARP DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOUTHWIRE CO
3 patentsUS4402740ASep 6, 1983
Dual fuel burner for metal melting furnaces
SOUTHWIRE CO13 citations70
US4243209AJan 6, 1981
Multiple level refractory hearth for vertical shaft metal melting furnaces
SOUTHWIRE CO3 citations59
US4452585AJun 5, 1984
Combustion air blower surge control for a melting furnace
SOUTHWIRE CO6 citations57