HW

Hongjia Wang

Overall (All Time): #599,972 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12269101 Twist drill 2025-04-08
12053831 Step drill bit and method for drilling a workpiece by using a step drill bit 2024-08-06
11865627 Twist drill 2024-01-09
11554424 Twist drill 2023-01-17
11007583 Twist drill 2021-05-18
11007584 Twist drill 2021-05-18
D881957 Twist drill 2020-04-21
9884381 Highly efficient, anti-vibration, durable rotating file with variable pitch 2018-02-06