Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bülach, CH ranks #5,135 worldwide for total patents filed all time, with 515 patents from 102 inventors. Leading employers of inventors based in Bülach, CH include Symetis Sa, Hoffmann-La Roche, Elpatronic Ag.

Showing 1–50 of 102 inventors

Rank Inventor Primary Company Patents
1 Stephane Delaloye Symetis Sa 51
2 Rene Zurfluh Hoffmann-La Roche 35
3 Werner Urech Elpatronic Ag 31
#4 Roland Willi Protek 30
#5 Daniel Morf Varian Medical Systems 29
#5 Peter Ernst Oerlikon Metco Ag, Wohlen 29
#7 Markus Berner Dentsply Sirona 21
#8 Peter Roggwiller Bbc Brown, Boveri & Company 17
#9 Rino E. Kunz Gretag Aktiengesellschaft 16
#10 Andreas Staub Breed Automotive Technology 12
#10 Albert Pfiffner Hoffmann-La Roche 12
#12 Patrik Zeiter Alusuisse Technology & Management 11
#13 Urs Meyer W. Schlafhorst Ag & 10
#13 Jean-Paul Stringaro Sulzer Brothers Limited 10
#13 Roger Stehr Maag Pump Systems Ag 10
#16 Emil Fehr Sulzer Chemtech Ag 8
#16 Adrian Stilli Concast Standard Ag 8
#18 Benno Niedermann Goldschmidt Holding Gmbh 7
#19 Leo Keller Optrel Holding Ag 6
#19 Kurt Ehrat Gretag Aktiengesellschaft 6
#19 Hans R. Brunner B.M.R.A. Corporation B.V. 6
#19 Urs Meyer Kistler Instrumente Ag 6
#23 Burkhard Ringlein IBM 5
#23 Beat Grossniklaus Bruker Biospin Gmbh 5
#23 Bruno Pfister Gretagmacbeth 5
#23 Jurg Kunz Gretag Imaging Ag 5
#23 Goran Lukic Schneider (Europe) A.G. 5
#23 Robert Siegenthaler Glatz Ag 5
#29 Imre Bajka Siemens-Albis Ag 4
#29 Renato Cecchetto 4
#29 Joerg ZIELONKA Hoffmann-La Roche 4
#29 Daniel STEINERT Levitronix Gmbh 4
#33 Heinrich Holzer Maag Pump Systems Textron Ag 3
#33 Ernst Hänggi Heinz Kaiser Ag 3
#33 Walter Baiker 3
#33 Juerg Nufer Abb Technology Ag 3
#33 Etienne Favey U-Blox Ag 3
#33 Peter Ettmueller Oerlikon Cantraves Pyrotec Ag 3
#39 Kurt Amstad Siemens Schweiz Ag 2
#39 Philipp Kuettel Robert Bosch Gmbh 2
#39 Bruno Buhler Contraves 2
#39 Rudolf Lehn Sulzer Brothers Limited 2
#39 Alfred Wittwer Ems-Inventa Ag 2
#39 Rudolf Halbheer Maschinenfabrik Rieter Ag 2
#39 Ghert Meier Contraves 2
#39 Matteo Ioannone Eugster / Frismag Ag 2
#39 Marcel Caminada Satronic Ag 2
#39 Thomas Zollinger Maschinenfabrik Rieter Ag 2
#39 Hanspeter WILHELM Linde Gmbh 2
#39 Werner Krebser 2