Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Gretchen Zwetzig Unknown 28
2 Paul M. Cordua R&G Sloane Mfg. 17
3 Steven Lee Sizelove Panasonic 14
#4 Alfred Haas Hte Gmbh The High Throughput Experimentation 12
#5 Deborah Unser 5
#6 Chris Moralez National Diversified Sales 4
#7 Robert Juskalian National Diversified Sales 3
#7 Donald L. Alvarez Rescan 3
#9 James E. Petrie 2
#9 John Krizman, Jr. Answer Products 2
#11 John X. Rees 1
#11 Derry L. Hobson 1
#11 Everett P. Ristow Pennwalt 1
#11 Louie S. Almares Pennwalt 1
#11 Clarence M. Rasmussen Pennwalt 1
#11 William Carl Hodgins 1
#11 Josue Cortez National Diversified Sales 1
#11 Rusty Don Soward 1
#11 Clifford P. Hammond National Diversified Sales 1
#11 Jack L. Bedwell 1
#11 Darren Fine National Diversified Sales 1
#11 Chester C. Rodieck 1
#11 Donald F. Appling Waterman Industries 1
#11 Harold E. Wake 1

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