Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kelkheim, DE ranks #2,509 worldwide for total patents filed in 2016, with 47 patents from 30 inventors. Leading employers of inventors based in Kelkheim, DE include Merck, The Braun, Bayer Cropscience.

Showing 1–30 of 30 inventors

Rank Inventor Primary Company Patents
1 Niels Schulte Merck 8
2 Martin Stratmann The Braun 4
3 Bernhard Sikora The Braun 3
#4 Juergen Seng The Braun 2
#4 Dirk Leinweber 2
#4 Klaus Bernhard Haaf Bayer Cropscience 2
#4 Norbert Schladerbeck Evonik Degussa Gmbh 2
#4 Karl-Heinz Tetzlaff Hoechst Gmbh 2
#9 Jochem Effing Paul Hartmann Ag 1
#9 Ulrike Gnabs Thyssenkrupp Industrial Solutions Ag 1
#9 Klaus Kuehlein Thyssenkrupp Industrial Solutions Ag 1
#9 Lazar Milisic Continental Teves Ag & Co. Ohg 1
#9 Martin Jakob Celanese Emulsions Gmbh 1
#9 Olaf Muszinski Khs Gmbh 1
#9 Jurgen Rohrmann Hoechst Gmbh 1
#9 Hartmut Hofmann Metallgesellschaft Ag 1
#9 Thorsten Würth Poly-Clip System 1
#9 Jens Alinsli The Braun 1
#9 Friedrich August Muehlthau Bayer Cropscience 1
#9 Michael Jürging Continental Teves Ag & Co. Ohg 1
#9 Daniel Dietzel The Braun 1
#9 Stefan Kammann Continental Teves Ag & Co. Ohg 1
#9 Hanno Hueckstaedt Ticona 1
#9 Frank Osan Hoechst Gmbh 1
#9 Waltraud Simsch Clariant Finance (Bvi) Limited 1
#9 Michael Noderer The Braun 1
#9 Abhishek Prakash Surushe The Procter & Gamble 1
#9 Wulf Splittstoesser 1
#9 Bernhard Meerbeck Siemens Aktiengesellschaft 1
#9 Aniruddha Chatterjee The Procter & Gamble 1