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USPTO Patent Rankings Data through Sept 30, 2025
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Alexander W. Au — 7 Patents in 2021

Apple: 7 patents #338 of 5,196Top 7%
Oakland, CA: #24 of 882 inventorsTop 3%
California: #2,240 of 66,859 inventorsTop 4%
Overall (2021): #18,426 of 548,734Top 4%
7 Patents 2021

Issued Patents 2021

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11121273 Solar module clamp 2021-09-14
11101768 Self-powered solar tracker apparatus Yang Liu 2021-08-24
11043607 Horizontal balanced solar tracker 2021-06-22
10998849 Clamp assembly for solar tracker 2021-05-04
10985690 Clamp assembly for solar tracker 2021-04-20
10928100 Balanced solar tracker clamp 2021-02-23
D909955 Solar tracker drive apparatus 2021-02-09