Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Friesach, AT ranks #15,533 worldwide for total patents filed all time, with 100 patents from 32 inventors. Leading employers of inventors based in Friesach, AT include Infineon Technologies Ag, Epcos Ag, Fronius International Gmbh.

Showing 1–32 of 32 inventors

Rank Inventor Primary Company Patents
1 Gaston Glock 27
2 Franz Stueckler Infineon Technologies Ag 8
3 Daniel Leitner 7
#4 Markus Müllauer Infineon Technologies Ag 5
#4 Heinz Ragossnig Epcos Ag 5
#6 Ronald Leitgeb Fronius International Gmbh 4
#6 Stefan Lichtenegger Avl List Gmbh 4
#8 Gunther Hiden Andritz-Patentverwaltungs-Gesellschaft M.B.H. 3
#8 Markus Muellauer Infineon Technologies Austria Ag 3
#8 Ferdinand Sereinig U.S. Philips 3
#8 Markus Pfleger Dynatrace Software Gmbh 3
#12 Ulrich Gaier Micron 2
#12 Hans Rogatschnig Philips 2
#12 Ernst Gschwind 2
#12 Nikolaus Sifferlinger Voest-Alpine Bergtechnik Gesellschaft M.B.H. 2
#12 Franz Stückler Infineon Technologies Austria Ag 2
#12 Werner Luschnig Siemens Aktiengesellschaft 2
#12 Rudolf Kogler Infineon Technologies Ag 2
#19 Helmut Ofner 1
#19 Ingrid Erlbeck 1
#19 Karl Schlacher Rosendahl Nextrom Gmbh 1
#19 Roland Steinbauer Schwing Gmbh 1
#19 Kerstin Flaggl Mahle International Gmbh 1
#19 Mario Andre Piskering Asta Medica 1
#19 Egon Eisner Microtec S.R.L. 1
#19 Werner MURBACHER Philips 1
#19 Hertha Luttenberger 1
#19 Albert Waschnig €œHolderbankã¢Â‚¬Â Financiere Glarus Ag 1
#19 Markus Albrecher Epcos Ag 1
#19 Hans Plienegger Flextronics Ap 1
#19 Martin Schiava 1
#19 Albert Burgstaller 1