Inventor · disambiguated record
Cheng-Chan Tsai
Also filed as: TSAI CHENG-CHAN
3 granted patents·34 citations·filing 1999–2000
70Inventor score
Technology areasF04C
Files withIND TECH RES INST3
Top patents by PatentIndex Score
3 records- 0176US6257854B1Double screw rotor assembly having means to automatically adjust the clearance by pressure differenceIND TECH RES INST·Filed 2000·Granted Jul 10, 2001·19 cites·7 claims
- 0245US6176694B1Double screw rotor assemblyIND TECH RES INST·Filed 1999·Granted Jan 23, 2001·10 cites·9 claims
- 0334US6155502ANozzle device for purging a vacuum pumpIND TECH RES INST·Filed 1999·Granted Dec 5, 2000·5 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →