Assignee
HANGZHOU HENGHONG MACH CO LTD
CN·2 granted patents·1 pending application·0 citations·filing 2019–2022
Top patents by PatentIndex Score
3 records- 0144US11231094B2Stroke-limiting control assembly and operating method thereofHANGZHOU HENGHONG MACH CO LTD·Filed 2019·Granted Jan 25, 2022·0 cites·15 claims
- 0240US11440512B2Double-lifting device for towing type traveling vehicleHANGZHOU HENGHONG MACH CO LTD·Filed 2019·Granted Sep 13, 2022·0 cites·19 claims
- 0340US2023141629A1Electric jack with current limiting protectorHANGZHOU HENGHONG MACH CO LTD·Filed 2022·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →