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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 1989

Ranked by patent count

Showing 13,001–13,050 of 140,708 inventors

Rank Name Patents Location Company
#13001 William S. Pierce 2 Hummelstown, PA Motorola
#13002 William S. Phy 2 Los Altos Hills, CA Fairchild Semiconductor
#13003 William Pfeifer 2 Redmond, WA NVIDIA
#13004 William R. Peterson 2 Gilbert, AZ Guess?
#13005 William H. Peters 2 Bryan, OH Chicago Cutlery Consumer Products
#13006 William H. Penny 2 Arcadia, CA Scimed Life Systems
#13007 William H. Peck 2 San Antonio, TX Hill-Rom
#13008 William L. Patterson 2 Elkhart, IN Miles
#13009 William C. Paske 2 Pearland, TX Baroid Technology
#13010 William H. Parsons 2 Boothwyn, PA Merck
#13011 Willie Parks 2 Millington, TN —
#13012 William Owen 2 Tara, CA University of California
#13013 William A. Oswald 2 Darien, IL Pierce & Stevens
#13014 William J. O'Neil 2 Green Bay, WI The Drackett
#13015 William J. O'Donnell 2 Wisconsin Rapids, WI IBM
#13016 William J. Novacek 2 Bloomington, MN Eaton
#13017 William Noble 2 Wixom, MI Chrysler Group
#13018 Wilhelm Nickel 2 Mülheim, DE Mannesmann Ag
#13019 William R. Newnes 2 Salmon Arm, CA Newnes Machine
#13020 William E. Nelson 2 San Diego, CA Texas Instruments
#13021 William M. Needles 2 Arlington, TX National Semiconductor
#13022 William E. Nagengast 2 Anderson, IN General Motors
#13023 William V. Murray 2 Montgomery, NJ Ortho Pharmaceutical
#13024 William A. Murphy 2 Los Altos, CA Administrators Of The Tulane Educational Fund
#13025 William E. Moss 2 Sunnyvale, CA AMD
#13026 William J. Moore 2 Lilburn, GA The Coca-Cola
#13027 William G. Moon 2 Provo, UT Reflect Scientific
#13028 William T. Monte 2 Concord, CA The Dow Chemical
#13029 William L. Mohan 2 Barrington, IL Spartanics
#13030 William A. Mod 2 Lake Jackson, TX The Dow Chemical
#13031 William Mitchell 2 Woodhall Spa, GB Glaxo Group Limited
#13032 William Miller 2 Berlin, NH James River
#13033 William A. Miller 2 Moorpark, CA Fluid Management
#13034 William L. Miller 2 Melbourne, FL Steelcase Development
#13035 William E. Miller 2 Hampton, VA National Semiconductor
#13036 William E. Miller 2 Union City, NJ US Dept of Energy
#13037 William J. Miller 2 North Wales, PA Merck
#13038 William J. Mertz 2 Cincinnati, OH National Distillers And Chemical
#13039 William D. Mensch, Jr. 2 Norristown, PA Motorola
#13040 William M. Menger 2 Houston, TX Conocophillips
#13041 William H. Mengel 2 Medford, NJ Rca
#13042 William R. Meistrell 2 Manhattan Beach, CA Dive N'Surf
#13043 William T. McNeal 2 Prattville, AL Giles Enterprises
#13044 William A. McMahon 2 San Antonio, TX Southwest Research Institute
#13045 William H. McIntyre 2 Orrville, OH Westinghouse Electric
#13046 William H. McGregor 2 Malvern, PA Amerimas Home Products
#13047 William T. McDavid 2 Richardson, TX Terra Marine Engineering
#13048 William R. McCown 2 Montclair, CA Siemens Energy
#13049 William J. McBrady 2 Flossmoor, IL Unknown
#13050 William McAskie 2 Belturbet, IE —