Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel E. Duffy — 8 Patents

3M: 6 patents #2,542 of 11,543Top 25%
DPDupont Pharmaceuticals: 1 patents #101 of 197Top 55%
EAE.I. Du Pont De Nemours And: 1 patents #7,725 of 12,129Top 65%
Mahtomedi, MN: #54 of 255 inventorsTop 25%
Minnesota: #9,348 of 52,454 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Daniel E. Duffy has been granted 8 US patents while listed as an inventor at 3M. The first was granted in 1999 and the most recent in September 2017. Daniel E. Duffy ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Daniel E. Duffy in Mahtomedi, MN, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9765071 Substituted imidazo ring systems and methods Larry R. Krepski, Joseph F. Dellaria, Matthew R. Radmer, David T. Amos 2017-09-19 $31,704,000
9328110 Substituted imidazo ring systems and methods Larry R. Krepski, Joseph F. Dellaria, Matthew R. Radmer, David T. Amos 2016-05-03 $36,064,000
8697873 Amide substituted imidazopyridines, imidazoquinolines, and imidazonaphthyridines Larry R. Krepski, Joseph F. Dellaria, David T. Amos, Bernhard M. Zimmermann, William H. Moser 2014-04-15 $40,224,000
8691837 Substituted imidazo ring systems and methods Larry R. Krepski, Joseph F. Dellaria, Matthew R. Radmer, David T. Amos 2014-04-08 $22,663,000
7579359 1-alkoxy 1H-imidazo ring systems and methods Larry R. Krepski, John F. Gerster, Joan T. Moseman 2009-08-25 $106,668,000
7125890 Ether substituted imidazopyridines Joseph F. Dellaria, Kyle J. Lindstrom, Luke T. Dressel, Philip D. Heppner, John R. Jacobsen +5 more 2006-10-24 $24,678,000
6043257 Amidinoindoles, amidinoazoles, and analogs thereof Celia Dominguez, Qi Han, Jeongsook M. Park, Mimi L. Quan, Karen A. Rossi +1 more 2000-03-28 $185,498,000
5886191 Amidinoindoles, amidinoazoles, and analogs thereof Celia Dominguez, Qi Han, Jeongsook M. Park, Mimi L. Quan, Karen A. Rossi +1 more 1999-03-23 $87,699,000