Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Zhidong Fu
Qingdao
CN
1 patent
2 Patents
US12441448
2025
Propeller Mother and Child Transmission Assembly with Dual Protection
0 cites
US12118740
2024
Method and Device for Detecting Propellers with High-precision
QINGDAO POLARIS INTELLIGENT MANUFACTURING CO., Ltd.
0 cites