Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Xingda Tan

SCShandong Weida Machinery Co.: 1 patents #1 of 2Top 50%
Wendeng District, CN: #1 of 2 inventorsTop 50%
Overall (2005): #74,347 of 245,428Top 35%
1 Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6848691 Hammerlock chuck Guimo Yang 2005-02-01