POLY CHANGDA ENGINEERING CO., LTD.

City:

Guangdong

Country:

China

Published Applications:

Last publication date:

2026-01-13

Patent Grants:

Last grant date:

2026-01-13

Top Inventors for applications by POLY CHANGDA ENGINEERING CO., LTD.

These are the the leading inventors for applications assigned to POLY CHANGDA ENGINEERING CO., LTD.:

DUO ZOU 1 GUANGZHOU, China
SHENGQUAN YAN 1 GUANGZHOU, China
BIAO GUO 1 GUANGZHOU, China
XUDONG WU 1 GUANGZHOU, China

QICAI ZHAO 1 GUANGZHOU, China
YUXIAN WU 1 GUANGZHOU, China
HE JIN 1 GUANGZHOU, China
XI JIA 1 GUANGZHOU, China

CHENGHONG LIU 1 GUANGZHOU, China

Recent patent applications by POLY CHANGDA ENGINEERING CO., LTD.

POLY CHANGDA ENGINEERING CO., LTD. based in Guangdong, CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-01-13 ✅ Patent 12,522,990 granted on 2026-01-13

US19226131

Fixed constructions

Bridge sliding device and a bridge construction system

AssigneeID:

716284 ⎘