Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Honglin Xu
Chongqing
CN
2 patents
2 Patents
US12486761
2025
Method for Quantitative Evaluation of Gas Seal Performance of Annular Blowout Preventer
Chongqing University Of Science And Technology
0 cites
USD1075333
2025
Bar Stool
0 cites