Inventor
ZHAN LUOLONG
CN4 patents
Patents
4 patentsUS11414880B2Aug 16, 2022
Reinforcing structure of unexpired concrete building floors
FENG HE YING ZAO GROUP CO LTD2 citations67
US11186992B2Nov 30, 2021
Reinforcing structure of concrete overhead layer
FENG HE YING ZAO GROUP CO LTD2 citations67
US11674314B2Jun 13, 2023
Reinforcing structure of concrete overhead layer
FENG HE YING ZAO GROUP CO LTD0 citations56
US10415235B2Sep 17, 2019
Self-heat preservation building structure
FENG HE YING ZAO GROUP CO LTD1 citations55