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

Ranked by patent count

Showing 13,401–13,450 of 140,708 inventors

Rank Name Patents Location Company
#13401 Walter Rockenschaub 2 Linz, AT Voest-Alpine
#13402 Walter Reimann 2 Hofheim, DE Hoechst Gmbh
#13403 Walter L. Probert 2 Shorewood, WI Badger Meter
#13404 Waldemar Priebe 2 Houston, TX University Of Texas System
#13405 Wassily Poppe 2 Lombard, IL Amoco
#13406 Warren J. Peterson 2 Stevens Point, WI Joerns Healthcare Limited
#13407 Warren E. Perkins 2 Port St. Lucie, FL Devilbiss Healthcare
#13408 Walter Parfomak 2 Wallington, NJ Alliedsignal
#13409 Walter Ott 2 Markham, CA Max-Planck-Gesellschaft Zur Föderung Der Wissenschaften E.V.
#13410 Warren C. Oliver 2 Knoxville, TN Kla-Tencor
#13411 Walter Odemer 2 Burbank, CA —
#13412 Wayne F. Novak 2 Parkersburg, WV —
#13413 Walter A. Nichols 2 Midlothian, VA —
#13414 Wataru Nakayama 2 Miyoshi, MD Hitachi
#13415 Walter Musselmann 2 Oettingen, DE J.M. Voith Gmbh
#13416 Walter Muller 2 Upplands Väsby, SE Ewikon Entwicklung Und Konstruktion Gmbh & Co. Kg
#13417 Warren B. Mueller 2 Baton Rouge, LA Ethyl
#13418 Walter C. Mrotz, III 2 Ferguson Road, MI Haworth
#13419 Wasei Miyazaki 2 Tokushima, JP Otsuka Pharmaceutical Co.
#13420 Wayne C. Mixson 2 Winter Garden, FL The O. M. Scott And Sons
#13421 Walter Miller 2 Traunstein, MI Dr. Johannes Heidenhain Gmbh
#13422 Wayne E. Meyers 2 West Chicago, IL Evergreen Group, Incorporated
#13423 Wayne R. Melchior 2 Plymouth, MI Eagle-Picher Industries
#13424 Walter B. Meinel 2 Tucson, AZ Texas Instruments
#13425 Walter E. Mattson 2 West Milford, NJ Inco Alloys International
#13426 Walter J. Marulic 2 Gary, IN The Pullman
#13427 Wayne E. Manska 2 Anaheim, CA Johnson & Johnson
#13428 Walter Maliczyszyn 2 Piscataway, NJ National Starch And Chemical Investment Holding Copporation
#13429 Wallace T. MacDonald 2 Tewksbury, MA North American Philips
#13430 Walter F. Love 2 Horseheads, NY Ciba Corning Diagnostics
#13431 Walter Losel 2 Gau-Algesheim, DE BOE
#13432 Walter Lorenz 2 Heidelberg, DE Siemens Aktiengesellschaft
#13433 Walter G. Lieberman 2 Minneapolis, MN Tolomatic
#13434 Wayne F. Larson 2 Salem, OR Supra Products
#13435 Wayne K. Larson 2 Maplewood, MN 3M
#13436 Walter L. Larsen 2 Seattle, WA —
#13437 Walter P. Lapatovich 2 Boxford, MA Osram Sylvania
#13438 Walter F. Lange 2 Longmont, CO IBM
#13439 Wayne A. Langdale 2 Swarthmore, PA Sun Refining And Marketing
#13440 Walter Kunz 2 Oberwil, NM Ciba-Geigy
#13441 Wayne W. Ku 2 Henrietta, NY Eastman Kodak
#13442 Walter B. Koteff 2 West Palm Beach, FL IBM
#13443 Walter Kolb 2 Betzdorf, DE Wolf-Gerate Ag
#13444 Walter Koda 2 Newtown, CT ExxonMobil
#13445 Wataru Kobayashi 2 Tokyo, JP Denso
#13446 Walter Kluss 2 Clifton, NJ Alliedsignal
#13447 Waltraud Klos 2 Regensburg, DE Siemens Aktiengesellschaft
#13448 Walter Klinker 2 Stuttgart, DE Daimler-Benz Ag
#13449 Walter Kerschbaum 2 Fellbach, DE Mercedes-Benz Group Ag
#13450 Walter Keller 2 Willich, FL T-Mobile Deutschland Gmbh