Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wuppertal, DE ranks #291 worldwide for total patents filed all time, with 10,397 patents from 1,656 inventors. Leading employers of inventors based in Wuppertal, DE include Bayer Healthcare, Bayer Intellectual Property Gmbh, Bayer Pharma.

Showing 1–50 of 1,656 inventors

Rank Inventor Primary Company Patents
1 Wilhelm Stendel Bayer Healthcare 149
2 Karl G. Metzger Bayer Healthcare 140
3 Hans-Ludwig Elbe Bayer Healthcare 137
#4 Bernd-Wieland Kruger Bayer Healthcare 134
#5 Karl-Heinz Schlemmer Bayer Intellectual Property Gmbh 118
#6 Fritz Maurer Bayer Healthcare 104
#7 Walter Hubsch Bayer Healthcare 102
#8 Elisabeth Perzborn Bayer Healthcare 101
#9 Jorg Stetter Bayer Healthcare 100
#10 Hilmar Bischoff Bayer Healthcare 99
#11 Siegfried Goldmann Bayer Healthcare 98
#12 Frank Wunder Bayer Pharma 96
#13 Peter Fey Bayer Healthcare 85
#14 Ulrich Heinemann Bayer Healthcare 80
#15 Rainer Endermann Bayer Healthcare 79
#16 Alexander Straub Bayer Healthcare 75
#17 Delf Schmidt Bayer Healthcare 70
#18 Bernd Gallenkamp Bayer Healthcare 67
#19 Ulrich Muller Bayer Healthcare 65
#20 Carmen Flosbach E.I. Du Pont De Nemours And 64
#21 Holger Seel Bos Gmbh & Co. Kg 63
#22 Rudolf Schohe-Loop Bayer Healthcare 61
#23 Heinz Mueller Henkel Kommanditgesellschaft Auf Aktien 60
#24 Stanislav Kazda Bayer Healthcare 59
#24 Manfred Plempel Bayer Healthcare 59
#24 Andre Kunzendorf Ledlenser Gmbh & Co. Kg 59
#24 Rainer Gross Bayer Healthcare 59
#28 Reinhold Gehring Bayer Healthcare 56
#29 Gunter Weber Wolff Walsrode Ag 55
#29 Klaus-Dieter Bremm Bayer Healthcare 55
#29 Jörg Keldenich Bayer Healthcare 55
#32 Martin Bechem Bayer Healthcare 54
#33 Bodo Junge Bayer Healthcare 53
#34 Lothar Viertel Gebr. Happich Gmbh 51
#34 Hans-Joachim Diehr Bayer Healthcare 51
#34 Dieter Berg Bayer Healthcare 51
#37 Erik Regel Bayer Healthcare 50
#37 Rolf Angerbauer Bayer Healthcare 50
#37 Helmut Ritter Dentsply Sirona 50
#40 Erwin Bischoff Bayer Healthcare 49
#41 Ulrich Rosentreter Bayer Healthcare 48
#41 Christa Fest Bayer Healthcare 48
#43 Peter Kolkhof Bayer Intellectual Property Gmbh 47
#43 Klemens Lustig Bayer Pharma 47
#45 Theodor Pfister Bayer Healthcare 46
#46 Hans-Peter Patzschke Herberts Gesellschaft Mit Beschrankter Haftung 45
#47 Philippe Vossel Sonos 44
#48 Stephan Kannengiesser Siemens Healthcare Limited 43
#48 Klaus Schaller Bayer Healthcare 43
#50 Adrian Tersteegen Bayer Pharma 42