SF

Stefan Fecher

DS Dentsply Sirona: 14 patents #5 of 352Top 2%
DG Degudent Gmbh: 8 patents #7 of 57Top 15%
DI Dentsply International: 1 patents #93 of 235Top 40%
📍 Johannesberg, DE: #1 of 4 inventorsTop 25%
Overall (All Time): #149,678 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12268564 Blanks and methods for the manufacture of at least one molded blank Lothar Volkl, Andreas Gebhardt 2025-04-08
12251277 Method for producing a multi-layer blank with a through-hole Lothar Volkl, Sven GIESE, Tobias Rösch, Andreas Gebhardt 2025-03-18
11833003 Method for the production of a blank, blank and a dental restoration Markus Vollmann, Lothar Volkl, Carsten Wiesner 2023-12-05
11464608 Method for producing a blank, blank and a dental restoration Lothar Volkl, Martin Kutzner, Tanja Oefner 2022-10-11
11370702 Method to increase the strength of a form body of a lithium silicate glass ceramic Lothar Volkl 2022-06-28
11166794 Support body for a blank Martin Kutzner, Lothar Volkl 2021-11-09
11090142 Method for producing a blank and dental restoration Lothar Volkl, Martin Kutzner, Heiner Horhold 2021-08-17
11040909 Method to increase the strength of a form body of a lithium silicate glass ceramic Lothar Volkl 2021-06-22
10842599 Method for producing a dental restoration Lothar Volkl 2020-11-24
10799326 Method for the positioning of a blank Andreas Gebhardt, Lothar Volkl 2020-10-13
10531938 Method for the production of a dental restoration Markus Vollmann, Lothar Volkl, Carsten Wiesner 2020-01-14
10485640 Method for producing a blank, blank and a dental restoration Lothar Volkl, Martin Kutzner, Tanja Oefner 2019-11-26
10441391 Method to manufacture a colored blank, and blank Lothar Volkl, Martin Kutzner, Tanja Oefner 2019-10-15
10327874 Support body for a blank Martin Kutzner, Lothar Volkl 2019-06-25
10105200 Method for producing a dental model and carrying plate for receiving same Andreas Gebhardt, Martin Haizmann, Heiner Horhold, Elmar Hock, Lothar Volkl 2018-10-23
9737465 Process for producing a blank, and a blank Heiner Horhold, Udo Schusser, Markus Vollmann, Martin Kutzner 2017-08-22
9393088 Method for the manufacture of a shaped body as well as a green compact Jörg HACHENBERG, Rudi Steinke, Markus Vollmann, Irmgard WISSEL, Gerhard ZELLMANN +2 more 2016-07-19
8986009 Method for determining 3-D data from at least one prepared maxillary area Lothar Volkl, Hartmut Brinkmann, Ralf Jaumann 2015-03-24
8685294 Method of producing a dental ceramic structure Lothar Volkl 2014-04-01
8501082 Method for producing a multipart construction and such a construction Elmar Hock, Lothar Volkl 2013-08-06
8444914 Process for the polishing of metallic dental prostheses Martin Haizmann, Lothar Volkl, Lars Weisensel 2013-05-21
7596287 Method and device for the three-dimensional determination and digitization of a plaster-or positive-model Dietrich Wolf 2009-09-29
7537449 Holding device for a denture or base structure model Frank Filser, Ludwig Gauckler, Peter Kocher, Heinz Luethy, Peter Schaerer +2 more 2009-05-26
7101180 Holding device for a denture or base structure model Frank Filser, Ludwig Gauckler, Peter Kocher, Heinz Luethy, Peter Schaerer +2 more 2006-09-05
7077391 Holding device for a ceramic blank Frank Filser, Ludwig Gauckler, Peter Kocher, Heinz Luethy, Peter Schaerer +2 more 2006-07-18