Inventor
HORBRUGGER HERBERT
DE3 patents
Patents
3 patentsUS6782989B2Aug 31, 2004
Process for switching between mains supply and a frequency inverter and vice versa
OTIS ELEVATOR CO3 citations58
US12312211B2May 27, 2025
Power management in an elevator system
OTIS ELEVATOR CO1 citations56
US11613444B2Mar 28, 2023
Decentralized power management in an elevator system
OTIS ELEVATOR CO0 citations44