P

Inventor

TONG HAIBO

US4 patents
⚠️ This page may combine multiple inventors who share the name “TONG HAIBO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WABTEC HOLDING CORP

3 patents
US7210268B2May 1, 2007

Unlock mechanism for a rotary door operator

WABTEC HOLDING CORP6 citations70
US7017974B2Mar 28, 2006

Rotary door operator

WABTEC HOLDING CORP8 citations70
US7654040B2Feb 2, 2010

Unlock mechanism for a rotary door operator

WABTEC HOLDING CORP0 citations49

WESTINGHOUSE AIR BRAKE TECH CORP

1 patent
US6948765B2Sep 27, 2005

Lock mechanism for a rotary door operator

WESTINGHOUSE AIR BRAKE TECH CORP9 citations70