Inventor · disambiguated record
Gangfeng Sun
Also filed as: SUN GANGFENG
8 granted patents·6 citations·filing 2019–2023
76Inventor score
Files withZHEJIANG HAILIANG CO LTD8
Top patents by PatentIndex Score
8 records- 0192US11946698B1Metal melting furnace including a stirring deviceZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Apr 2, 2024·1 cites·3 claims
- 0289US11951535B1Casting furnace featuring submerged, mechanical control of liquid levelZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Apr 9, 2024·1 cites·13 claims
- 0389US11925997B1Wire billet butt-welding apparatus and wire billet butt-welding methodZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Mar 12, 2024·2 cites·11 claims
- 0488US11940216B1High-temperature flue gas recovery apparatus for melting furnaceZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Mar 26, 2024·2 cites·11 claims
- 0578US11999002B1Wire billet butt-welding apparatusZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Jun 4, 2024·0 cites·8 claims
- 0670US11971218B1Automatic charging apparatus for a furnaceZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Apr 30, 2024·0 cites·8 claims
- 0763US11931797B1Double-acting switch valveZHEJIANG HAILIANG CO LTD·Filed 2023·Granted Mar 19, 2024·0 cites·9 claims
- 0845US11298743B2Crystallizer for continuous castingZHEJIANG HAILIANG CO LTD·Filed 2019·Granted Apr 12, 2022·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →