Inventor · disambiguated record
Tac H. Nguyen
Also filed as: NGUYEN TAC H
3 granted patents·80 citations·filing 1983–1996
73Inventor score
Technology areasB66B
Top patents by PatentIndex Score
3 records- 0184US5893432AControlled emergency stop apparatus for elevatorsINVENTIO AG·Filed 1996·Granted Apr 13, 1999·52 cites·9 claims
- 0259US4971178AElevator system with independent limiting of a speed pattern in terminal zonesINVENTIO AG·Filed 1989·Granted Nov 20, 1990·17 cites·7 claims
- 0348US4499974ATerminal slowdown speed pattern generatorWESTINGHOUSE ELECTRIC CORP·Filed 1983·Granted Feb 19, 1985·11 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →