Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Assignees
Zhenhai Petrochemical Jianan Engineering Co., Ltd.
2 patents in portfolio
US12246296
utility
2025
Depolymerization System Having Coil-wound Heat Exchanger
0 cites
US11946004
utility
2024
Atmospheric-vacuum Heat Exchange System Having Coil-wound Heat Exchangers, and Heat Exchange Process
0 cites