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USPTO Patent Rankings Data through Sept 30, 2025
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Birgit Uhrig — 4 Patents

HGHeraeus Kulzer Gmbh: 4 patents #10 of 91Top 15%
Usingen, DE: #34 of 129 inventorsTop 30%
Overall (All Time): #1,288,172 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5647856 Syringe for the controlled discharge of viscous materials Rudolf Eykmann, Joachim Fritze, Dieter Schodel, Holger Burckhardt 1997-07-15
5620423 Syringe for the controlled discharge of viscous materials Rudolf Eykmann, Joachim Fritze, Dieter Schodel 1997-04-15
5531709 Syringe for the controlled discharge of viscous materials Rudolf Eykmann, Joachim Fritze, Dieter Schodel 1996-07-02
5246105 Modular container for dental photocuring materials Rudolf Eykmann, Joachim Fritze 1993-09-21