Assignee
HANGZHOU CHANGSEN HARDWARE PRODUCTS CO LTD
CN·2 granted patents·0 citations·filing 2025–2025
Top patents by PatentIndex Score
2 records- 0166US12516547B1Simplified double-sided nylon lockHANGZHOU CHANGSEN HARDWARE PRODUCTS CO LTD·Filed 2025·Granted Jan 6, 2026·0 cites·10 claims
- 0265US12571241B1Nylon hinge for facilitating adjustment of spring torqueHANGZHOU CHANGSEN HARDWARE PRODUCTS CO LTD·Filed 2025·Granted Mar 10, 2026·0 cites·4 claims
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