Inventor · disambiguated record
Qingfeng Ma
Also filed as: MA QINGFENG
4 granted patents·1 pending application·5 citations·filing 2013–2023
61Inventor score
Top patents by PatentIndex Score
5 records- 0152US11834141B1Heave survey platformUNIV TIANJIN·Filed 2023·Granted Dec 5, 2023·0 cites·9 claims
- 0247US9482248B2Energy regeneration type forklift hydraulic systemANHUI HELI CO LTD·Filed 2013·Granted Nov 1, 2016·2 cites·1 claims
- 0336US2019365050A1Heel liner preventing heel rubbing and slidingMA QINGFENG·Filed 2018·Application pending·0 cites
- 0432US10683459B2Liquid-phase hydroisomerization system and process therefor and use thereofPETROCHINA CO LTD·Filed 2016·Granted Jun 16, 2020·0 cites·19 claims
- 0531USD874795SHeel protector for footwearMA QINGFENG·Filed 2018·Granted Feb 11, 2020·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →