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

Ranked by patent count

Showing 12,851–12,900 of 140,708 inventors

Rank Name Patents Location Company
#12851 Wolfgang Feuchter 2 Bad Boll, DE Unknown
#12852 Wolfgang Fennemann 2 Karben, DE Metallgesellschaft Ag
#12853 Wolfgang Fehlmann 2 Stuttgart, DE Robert Bosch Gmbh
#12854 Wolfgang Falb 2 Groß Sarau, DE Dragerwerk Aktiegesellschaft
#12855 Wolfgang Esser 2 Paderborn, DE Nixdorf Computer Ag
#12856 Wolfgang Endler 2 Zorneding, DE Alfred Teves Gmbh
#12857 Wolfgang Eisert 2 Hannover, DE Dr. Karl Thomae Gmbh
#12858 Wolfgang Ehrfeld 2 Ettlingen, DE Kernforschungszentrum Karlsruhe Gmbh
#12859 Wolfgang Ebeling 2 Hannover, DE Turmag Turbo-Maschinen-Ag Nusse & Grafer
#12860 Wolfgang Drobny 2 Besigheim, DE Robert Bosch Gmbh
#12861 Wolfgang Dorr 2 Erlangen, DE Kraftwerk Union
#12862 Wolfgang Diemer 2 Schwäbisch Gmünd, DE Danaher
#12863 Wojciech M. Chrosny 2 Orange, CT Pitney Bowes
#12864 Wojciech W. Byszewski 2 Arlington, MA Gte Laboratories Incorporated
#12865 Wolfgang Bottger 2 Duisburg, DE Vorwerk & Co. Interholding Gmbh
#12866 Wolfgang F. Bienwald 2 Melville, NY Leviton Manufacturing Co.
#12867 Wolfgang Batzill 2 Munster, DE Basf Farben Fasern
#12868 Wilhelm Zirps 2 Hemmingen, DE Robert Bosch Gmbh
#12869 William O. Young, Jr. 2 Spartanburg, SC Young Engineering
#12870 William A. Young 2 West Frankfort, IL Pittway
#12871 William A. Wood 2 Glendora, CA Rain Bird Sprinkler, Mfg.
#12872 William C. Wood 2 Chesterfield, MO Industrial Technology Group
#12873 William P. Wood 2 St. Louis Park, MN 3M
#12874 William R. Wolfe 2 Wilmington, DE Westinghouse Electric
#12875 William D. Wilson 2 Redwood City, CA Motorola
#12876 William J. Williams 2 Apple Valley, CA Williams Industries
#12877 Wilhelm Wilhelm 2 Munich, DE Siemens Aktiengesellschaft
#12878 Willem Sjouke Wijma 2 Drachten, NL U.S. Philips
#12879 Winsor D. White 2 Chicago, IL Henredon Furniture Industries
#12880 William J. White 2 Chelmsford, MA Honeywell
#12881 William T. Westhead 2 Waycross, GA Scapa Dryers
#12882 William E. Westell 2 Weston, MA Honeywell
#12883 William A. Welsh 2 Clarksville, MD W.R. Grace & Co.-Conn.
#12884 William H. Wellman 2 Lompoc, CA RTX (Raytheon)
#12885 William J. Weidman 2 Old Tappan, NJ —
#12886 William E. Weideman 2 Arlington, TX Recognition Equipment Incorporated
#12887 William E. Webler 2 San Jose, CA Abbott
#12888 William P. Warthen 2 Spartanburg, SC Milliken Research
#12889 Winfried Walzer 2 Langenau, DE Hydromatik Gmbh
#12890 William B. Walton 2 Cleburne, TX Basf Wyandotte
#12891 William H. Wallo 2 Clearwater, FL —
#12892 William D. Wallace 2 Lehi, UT Utah Medical Products
#12893 William D. Wakley 2 Broken Arrow, OK Amoco
#12894 William J. Wachter 2 Wexford, PA U.S. Tool & Die
#12895 William B. Vreeland 2 Webster, NY Eastman Kodak
#12896 Wilhelm von Allwoerden 2 Erbach, DE Kloeckner-Humboldt-Deutz Ag
#12897 William Vollmann 2 Hialeah, FL Telectronic Sa
#12898 Willi Volksen 2 San Jose, CA IBM
#12899 William R. Vogt 2 Washington, DC Baker Industries
#12900 Willem J. A. Verbiest 2 Sint-Gillis-Waas, BE Alcatel N.V.