Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Assignees
China Railway General Resources Technology Co., Ltd.
2 patents in portfolio
US11878378
utility
2024
Process for Processing Rotary Tillage Blade for Dry Farmland Based on Wasted Steel Rail
0 cites
US11717906
utility
2023
Method for Cutting Side Plates and End Plates of Scrapped Railway Boxcar
0 cites