Inventor

LIU ZHIREN

US6 patents

⚠️ This page may combine multiple inventors who share the name “LIU ZHIREN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OTIS ELEVATOR CO

3 patents

US11591189B2Feb 28, 2023

Coupling device between an elevator car door and a landing door and elevator system

OTIS ELEVATOR CO0 citations48

US11453571B2Sep 27, 2022

Governor assembly for elevator system, elevator safety system and elevator system

OTIS ELEVATOR CO0 citations47

US11845631B2Dec 19, 2023

Synchronizing assembly for elevator door and elevator

OTIS ELEVATOR CO0 citations38

UNIV GEORGIA STATE RES FOUND

2 patents

US9956304B2May 1, 2018

Contrast agents, methods for preparing contrast agents, and methods of imaging

UNIV GEORGIA STATE RES FOUND7 citations78

US11738098B2Aug 29, 2023

Contrast agents, methods for preparing contrast agents, and methods of imaging

UNIV GEORGIA STATE RES FOUND2 citations69

GEORGIA STATE UNIV RESEARCH FOUNDATION

1 patent

US10849993B2Dec 1, 2020

Contrast agents, methods for preparing contrast agents, and methods of imaging

GEORGIA STATE UNIV RESEARCH FOUNDATION4 citations69