Inventor · disambiguated record
Huichang Cao
Also filed as: CAO HUICHANG
2 granted patents·0 citations·filing 2022–2022
22Inventor score
Files withGREENMAN MACHINERY CO2
Top patents by PatentIndex Score
2 records- 0153US12256666B2Mowing cylinder cutter and lawn care tool driven by built-in outer rotor motorGREENMAN MACHINERY CO·Filed 2022·Granted Mar 25, 2025·0 cites·2 claims
- 0237US11939166B2Differential traveling roller driven by built-in outer rotor motorGREENMAN MACHINERY CO·Filed 2022·Granted Mar 26, 2024·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →