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USPTO Patent Rankings Data through Dec 31, 2025
Home › 2021 › Cities › Duisburg, DE

Duisburg, DE 2021

80 patents  ·  61 inventors

Ranked #1,685 of 43,435 cities Top 4%

Duisburg, DE ranks #1,685 worldwide for total patents filed in 2021, with 80 patents from 61 inventors. Leading employers of inventors based in Duisburg, DE include Bayer Healthcare, Vorwerk & Co. Interholding Gmbh, Henkel Ag & Co. Kgaa.

Showing 1–50 of 61 inventors

Rank Inventor Primary Company Patents
1 Ralf Hufen Bayer Healthcare 4
2 Martin Helmich Vorwerk & Co. Interholding Gmbh 3
2 Yakup Karan — 3
#4 Robert Stephen Cappleman Henkel Ag & Co. Kgaa 2
#4 Thomas BÜLTER Evonik Operations Gmbh 2
#4 Timo Ott Basf Se 2
#4 Winfried Vicktorius Espera-Werke Gmbh 2
#4 Frank Herrmann BOE 2
#4 Maik Beer Fraunhofer 2
#4 Uwe Muschalik Sms Eumuco Gmbh 2
#4 Ulrich Weichsel Kiekert Ag 2
#4 Ingo Biertümpel Basf Se 2
#4 Holger Wagner BOE 2
#4 Jasminko Skrlec Outokumpu Oyj 2
#4 Niels Christoffers Infineon Technologies Ag 2
#16 Armin Handke Kiekert Ag 1
#16 Robin Drabinski Intel 1
#16 Sven Olfen Universität Duisburg-Essen 1
#16 Christian Barmscheidt Kiekert Ag 1
#16 Mladen Vidakovic Evonik Operations Gmbh 1
#16 Tzu-Lun Wang Carl Zeiss Microscopy Gmbh 1
#16 Christiane Senger Apple 1
#16 Uwe Kaufer Huf Huelsbeck & Fuerst GmbH & Co. KG 1
#16 Soeren Bleul — 1
#16 Hasan Akyildiz Covestro Deutschland Ag 1
#16 Christian Timma Thyssenkrupp Ag 1
#16 Marzena Beata Rak Hitachi High-Tech Analytical Science Gmbh 1
#16 Stefan Obermayr Siemens Aktiengesellschaft 1
#16 Uwe Kaeufer Huf Huelsbeck & Fuerst GmbH & Co. KG 1
#16 Thomas Großerüschkamp Thyssenkrupp Ag 1
#16 Jürgen Polomski Espera-Werke Gmbh 1
#16 Achim Matt Krohne Messtechnik Gmbh 1
#16 Olaf HAUSMANN Sms Group Gmbh 1
#16 Thomas Flöth Thyssenkrupp Steel Europe Ag 1
#16 Frank Hochschulz Fraunhofer 1
#16 Lee Wilcox — 1
#16 Wolfgang Gervers Thyssenkrupp Ag 1
#16 Kai-Marcel Muckensturm Fraunhofer 1
#16 Ziad Youssef Intel 1
#16 Thomas Grosseruschkamp Thyssenkrupp Steel Europe Ag 1
#16 Reiner Anton Siemens Energy Global 1
#16 Jurgen Michael Benthele Doosan Lentjes Gmbh 1
#16 Marc Suermann Ford 1
#16 Andrey Timofeev Teknologian Tutkimuskeskus Vtt Oy 1
#16 Stefan Waasen Infineon Technologies Ag 1
#16 Viktor Hermes Siemens Aktiengesellschaft 1
#16 Ingo Greger — 1
#16 Stewart Alsop — 1
#16 Erfan Majeed Intel 1
#16 Thomas Daube Sms Group Gmbh 1

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