LQ

Longhao Quan

Overall (All Time): #1,445,109 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10556139 Network-type temperature-controlled hanging extinguishing system — 2020-02-11
9079052 Heat concentrating type self-operated automatic fire valve — 2015-07-14
9080685 Double-switched automatic sprinkler valve — 2015-07-14