Assignee
SHANGHAI CHANGYI MACHINERY MFT CO LTD
CN·3 granted patents·2 citations·filing 2015–2020
Top patents by PatentIndex Score
3 records- 0164US12071198B2ScooterSHANGHAI CHANGYI MACHINERY MFT CO LTD·Filed 2020·Granted Aug 27, 2024·1 cites·7 claims
- 0245US10843767B2Dual pedal-driven scooterSHANGHAI CHANGYI MACHINERY MFT CO LTD·Filed 2018·Granted Nov 24, 2020·1 cites·13 claims
- 0336US10415657B2One-way bearingSHANGHAI CHANGYI MACHINERY MFT CO LTD·Filed 2015·Granted Sep 17, 2019·0 cites·19 claims
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