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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 1997

Ranked by patent count

Showing 11,751–11,800 of 185,788 inventors

Rank Name Patents Location Company
#11751 Ronnie D. Finley 3 New Iberia, LA Halliburton Energy Services
#11752 Robert W. Filas 3 San Jose, CA AT&T
#11753 Robert Feldstein 3 Yonkers, NY Mannkind
#11754 Rolf Feil 3 Günzburg, DE Bsh Bosch Und Siemens Hausgeräte Gmbh
#11755 Roy E. Fauber 3 Chapel Hill, NC Kobe Steel Usa
#11756 Ronald E. Esser 3 Kansas City, MO Hoechst Marion Roussel
#11757 Robert Essaff 3 Fremont, CA Linear Technology Holding
#11758 Robert J. Engberg 3 Fairmont, MN 3M
#11759 Robert A. Elek 3 Chardon, OH Picker International
#11760 Rolf Ekholm 3 Karlstad, SE Kvaerner Pulping Ab
#11761 Roland Ekerdt 3 Berlin, DE Schering
#11762 Robert F. Eisele 3 Carlsbad, CA Dura Pharmaceuticals, Icn.
#11763 Rodney P. Ehrlich 3 Wolcott, IN Wabash National
#11764 Robert H. Edwards 3 Martinez, GA University of California
#11765 Robert Duncan 3 Portland, OR AMD
#11766 Robert Dumont 3 Keyano, CA Alcan International Limited
#11767 Robert du Grenier 3 New York, NY Chesebrough-Pond'S Usa, Division Of Conopco
#11768 Robert L. Dow 3 Groton, CT Pfizer
#11769 Robert B. Dopp 3 Marietta, GA Rayovac
#11770 Robert C. Dixon 3 Austin, TX IBM
#11771 Robert D. Dillard 3 Zionsville, IN Eli Lilly
#11772 Roy E. Diehl 3 Northville, MI Ford
#11773 Robert E. Dickerson 3 Wooster, OH Eastman Kodak
#11774 Robert D. DeWitt 3 Lyndhurst, OH Gould Electronics
#11775 Robert J. Demeter 3 Danville, IN Methodist Hospital Of Indiana
#11776 Robert J. DeLuccia 3 Mamaroneck, NY Sanofi Winthrop
#11777 Rolf Deitz 3 Basel, CH Ciba-Geigy
#11778 Romano Deghenghi 3 Le Pecq, FR Unknown
#11779 Ronny De Clercq 3 Aalter, BE Agfa-Gevaert Nv
#11780 Robert L. Davis 3 Carbondale, CO Integrated Materials
#11781 Robert Danziger 3 Los Angeles, CA Goal Line Environmental Technologies
#11782 Robert A. Daniele 3 Naperville, IL Johnson & Johnson
#11783 Robert D'Amato 3 Lexington, MA Children'S Medical Center
#11784 Roger Crossley 3 Reading, IL John Wyeth & Brother Limited
#11785 Robert P. Cross 3 Rocky Hill, CT Loctite
#11786 Robert Harold Cromer 3 Gloversville, NY GE
#11787 Ronald B. Crockett 3 Woods Cross, UT Schlumberger Technology
#11788 Ronald L. Crawford 3 Mound, MN Idaho Research Foundation
#11789 Robert F. Crane 3 Nekoosa, WI Earth Tool Company
#11790 Robert W. Duffy Cox 3 Forsayth, FL —
#11791 Robert L. Cowan, II 3 Livermore, CA GE
#11792 Robert J. Cotter 3 Bernardsville, NJ The Johns Hopkins University
#11793 Robert F. Cotter 3 Batavia, OH Bpg Sales And Technology Investments
#11794 Roger Conatser 3 Hartsville, TN Campbell Hausfeld / Scott Fetzer
#11795 Robert Kirk Collier, Jr. 3 Dolan Springs, AZ University Of Central Florida
#11796 Roger Coleman 3 Mountain View, CA Incyte Pharmaceuticals
#11797 Ronald E. Christenson 3 Dodge Center, MN Mcneilus Truck And Manufacturing
#11798 Ronald B. Chesler 3 Cheshire, CT Hughes Aircraft
#11799 Ronald E. Chambers 3 Houston, TX Western Atlas International
#11800 Rosemary K. Chachowski 3 Manville, NJ Ortho Diagnostic Systems