Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Trofaiach, AT ranks #13,578 worldwide for total patents filed all time, with 124 patents from 39 inventors. Leading employers of inventors based in Trofaiach, AT include At&S Austria Technologie & Systemtechnik, Refractory Intellectual Property, Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.V..

Showing 1–39 of 39 inventors

Rank Inventor Primary Company Patents
1 Markus Leitgeb At&S Austria Technologie & Systemtechnik 40
2 Hyung Wook Park At&S Austria Technologie & Systemtechnik 7
2 Wilfried Eckstein Refractory Intellectual Property 7
#4 Mario Schober At&S Austria Technologie & Systemtechnik 5
#4 Gernot Hackl Refractory Intellectual Property 5
#6 Thomas Kristl At&S Austria Technologie & Systemtechnik 4
#6 Jens Riedler At&S Austria Technologie & Systemtechnik 4
#8 Reinhold Ebner Deutsche Forschungsanstalt Fur Luft-Und Raumfahrt E.V. 3
#8 Manfred GRABLECHNER 3
#8 Manfred Slamenik Veitscher Magnesitwerke-Actien-Gesellschaft 3
#8 Michael Wolfsberger 3
#8 Heinrich Trischler At&S Austria Technologie & Systemtechnik 3
#8 Gunther Saiger Voest-Alpine 3
#8 Rainer Frauwallner At&S Austria Technologie & Systemtechnik 3
#15 Karin Rockenschaub BOE 2
#15 Gerhard Stubenberger At&S Austria Technologie & Systemtechnik 2
#15 Norbert Koeck Voestalpine Schienen Gmbh 2
#15 Michael Schweizer Voest-Alpine 2
#15 Günther KAINERSDORFER 2
#15 Florian Maximilian Friedrich Gerlach Omron Healthcare Co. 2
#21 Robert Sorger Refractory Intellectual Property 1
#21 Franz Hammerer Voest-Alpine Industrieanlagenbau Gmbh & 1
#21 Werner Brandl Voest-Alpine Industrieanlagenbau Gmbh & 1
#21 Nobert Kock Voest-Alpine Stahl Donawitz Gesellschaft M.B.H. 1
#21 Christel Neuper 1
#21 Josef G. Windisch 1
#21 Sigrid Windisch 1
#21 Karl Abendstein Voest-Alpine 1
#21 Walter Schiman Voest-Alpine Industrieanlagenbau Gmbh & 1
#21 Robert Schmidberger Veitsch-Radex Aktiengesellschaft Fur Feuerfeste Erzeugnisse 1
#21 Johann Mayerhoffer 1
#21 Martin Reiter At&S Austria Technologie & Systemtechnik 1
#21 Walter Engleitner Voest-Alpine Industrieanlagenbau Gmbh & 1
#21 Alexander Roeck 1
#21 Renaud Grasset-Bourdel Refractory Intellectual Property 1
#21 Thomas Prietl Refractory Intellectual Property 1
#21 Robert Kottlan Ssi Schäfer Peem Gmbh 1
#21 Sebastian Michelic Inteco Special Melting Technologies Gmbh 1
#21 Harald Chladil Gfe Metalle Und Materialien Gmbh 1