Inventor
DAY PAUL L
US7 patents
⚠️ This page may combine multiple inventors who share the name “DAY PAUL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PARK OHIO INDUSTRIES INC
6 patentsUS4090698AMay 23, 1978
Method and apparatus of inductively heating elongated workpieces
PARK OHIO INDUSTRIES INC20 citations72
US4336924AJun 29, 1982
Apparatus for quenching heated workpieces
PARK OHIO INDUSTRIES INC11 citations71
US3970813AJul 20, 1976
Apparatus for inductively heating the end of an elongated workpiece
PARK OHIO INDUSTRIES INC8 citations71
US3986710AOct 19, 1976
Quench unit for inductively heated workpieces
PARK OHIO INDUSTRIES INC13 citations70
US4086464AApr 25, 1978
Resistance heating device with improved workpiece feeding mechanism
PARK OHIO INDUSTRIES INC3 citations61
US4419149ADec 6, 1983
Method for quenching heated workpieces
PARK OHIO INDUSTRIES INC6 citations60