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USPTO Patent Rankings Data through Dec 31, 2025
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David Wolbert — 4 Patents in 2023

SISimplehuman: 4 patents #3 of 27Top 15%
Manhattan Beach, CA: #7 of 90 inventorsTop 8%
California: #5,965 of 67,585 inventorsTop 9%
Overall (2023): #49,666 of 537,848Top 10%
4 Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11647871 Liquid dispensing units Frank Yang, Joseph Sandor, Guy M. Cohen, Jay Patel 2023-05-16
11607088 Foaming soap dispensers Frank Yang, Kenneth Yen, Guy M. Cohen, Hon-Lun Chen, Nasser Pirshafiey +1 more 2023-03-21
11603263 Trash can assembly Frank Yang, Joseph Sandor, Kenneth Yen, Orlando Cardenas, Michael James Basha +1 more 2023-03-14
11566784 Vanity mirror Frank Yang, Joseph Sandor, Orlando Cardenas, Frederick N. Bushroe 2023-01-31