Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TH

Thomas J. Hamlin

Xerox: 12 patents #1,122 of 8,622Top 15%
3M: 9 patents #1,775 of 11,543Top 20%
CICuno Incorporated: 5 patents #19 of 92Top 25%
PPPur Water Purification Products: 2 patents #24 of 70Top 35%
The Procter & Gamble: 2 patents #4,607 of 10,133Top 50%
UCUniversity Of Connecticut: 1 patents #358 of 887Top 45%
Saint Paul, MN: #48 of 620 inventorsTop 8%
Minnesota: #2,073 of 52,454 inventorsTop 4%
Overall (All Time): #130,858 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4459013 Duplex/simplex precollation copying system Clifford L. George 1984-07-10
4270746 Sheet separator 1981-06-02
4269406 Document handler 1981-05-26
4229101 Duplex/simplex precollation copying system Clifford L. George 1980-10-21