Inventor · disambiguated record
Qianxi Liu
Also filed as: LIU QIANXI
5 granted patents·3 citations·filing 2014–2024
64Inventor score
Top patents by PatentIndex Score
5 records- 0180US12203553B1Wear-resistant and low-friction coated piston ring and preparation method thereforASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD·Filed 2024·Granted Jan 21, 2025·1 cites·16 claims
- 0275US9927029B2Multilayer multi-element composite hard pvd coating on the surface of a piston ring, a piston ring and a preparation processASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD·Filed 2014·Granted Mar 27, 2018·2 cites·15 claims
- 0359US12345336B1Piston ring with hard plating, and preparation method thereforASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD·Filed 2024·Granted Jul 1, 2025·0 cites·1 claims
- 0453US11401598B2Friction reduced and wear resistant coating, preparation method thereof and piston ringASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD·Filed 2020·Granted Aug 2, 2022·0 cites·19 claims
- 0540US11215283B2Diamond-like coating for piston ring surfaces, piston ring and processes for preparing the sameASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD·Filed 2016·Granted Jan 4, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →