Inventor
FANG HONG-SHENG
TW5 patents
Patents
5 patentsUS6312242B1Nov 6, 2001
Asymmetric double screw rotor assembly
IND TECH RES INST15 citations82
US6257839B1Jul 10, 2001
Double screw rotor assembly with electrically controlled clearance adjustment means
IND TECH RES INST16 citations81
US6257854B1Jul 10, 2001
Double screw rotor assembly having means to automatically adjust the clearance by pressure difference
IND TECH RES INST19 citations80
US7278839B2Oct 9, 2007
Multi-stage vacuum pump
IND TECH RES INST9 citations71
US6176694B1Jan 23, 2001
Double screw rotor assembly
IND TECH RES INST10 citations69