Assignee
QINGDAO HONGRUNFA MACHINERY CO LTD
CN·3 granted patents·19 citations·filing 2022–2022
Technology mixB62B1
Top patents by PatentIndex Score
3 records- 0191USD1019811SFolding wagonQINGDAO HONGRUNFA MACHINERY CO LTD·Filed 2022·Granted Mar 26, 2024·19 cites·1 claims
- 0250US12459553B2Portable folding wagonQINGDAO HONGRUNFA MACHINERY CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·7 claims
- 0336USD1086303SFolding wagonQINGDAO HONGRUNFA MACHINERY CO LTD·Filed 2022·Granted Jul 29, 2025·0 cites·1 claims
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