Inventor

ZAMMA JUN

4 patents

Patents

4 patents

US4321234AMar 23, 1982

Chemical process and apparatus therefor

TOYO ENGINEERING CORP68 citations92

US4431049AFeb 14, 1984

Bayonet tube heat exchanger

TOYO ENGINEERING CORP40 citations89

US4368778AJan 18, 1983

Heat exchanger with U-tubes

TOYO ENGINEERING CORP12 citations71

US4347221AAug 31, 1982

Catalytic converter

TOYO ENGINEERING CORP5 citations57