Assignee
WANG HONGJIA
CN·8 granted patents·4 pending applications·15 citations·filing 2016–2025
Top patents by PatentIndex Score
12 records- 0195US11007584B2Twist drillWANG HONGJIA·Filed 2020·Granted May 18, 2021·5 cites·11 claims
- 0292US11865627B1Twist drillWANG HONGJIA·Filed 2023·Granted Jan 9, 2024·1 cites·30 claims
- 0387US11554424B1Twist drillWANG HONGJIA·Filed 2021·Granted Jan 17, 2023·1 cites·26 claims
- 0486US11007583B2Twist drillWANG HONGJIA·Filed 2019·Granted May 18, 2021·2 cites·14 claims
- 0585US12269101B1Twist drillWANG HONGJIA·Filed 2023·Granted Apr 8, 2025·0 cites·26 claims
- 0683US2025262676A1Multi-step drill with asymmetric step profilesWANG HONGJIA·Filed 2024·Application pending·0 cites
- 0782US2024375190A1Step drill bit and method for drilling a workpiece by using a step drill bitWANG HONGJIA·Filed 2024·Application pending·0 cites
- 0881US2026070132A1Multi-step drill with asymmetric step profilesWANG HONGJIA·Filed 2025·Application pending·0 cites
- 0979US12053831B2Step drill bit and method for drilling a workpiece by using a step drill bitWANG HONGJIA·Filed 2023·Granted Aug 6, 2024·0 cites·24 claims
- 1054USD881957STwist drillWANG HONGJIA·Filed 2019·Granted Apr 21, 2020·6 cites·1 claims
- 1145US9884381B2Highly efficient, anti-vibration, durable rotating file with variable pitchWANG HONGJIA·Filed 2016·Granted Feb 6, 2018·0 cites·5 claims
- 1240US2018133808A1Efficient twist drill for layered drillingWANG HONGJIA·Filed 2017·Application pending·0 cites
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