RK

Ralf Kollefrath

CA Coltene Ag: 3 patents #1 of 11Top 10%
WA Wacker Chemie Ag: 2 patents #434 of 1,324Top 35%
CW Coltene Whaledent: 1 patents #20 of 32Top 65%
CA Coltène/Whaledent Ag: 1 patents #5 of 13Top 40%
Overall (All Time): #721,538 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10716644 Dental instrument Ulrich Müller, Martin Schluter 2020-07-21
8142833 Clear silicone material for the registration of fingerprints Dierk Lubbers, Stephan Lampl 2012-03-27
7998264 Hardenable dental material Dierk Lubbers, Manfred Kalt 2011-08-16
7789663 Process for the retraction of sulcus Stephan Lampl, Dierk Lubbers 2010-09-07
7549862 Process for the retraction of sulcus Stephan Lampl, Dierk Lubbers 2009-06-23
5705589 Organosilane and organopolysiloxane free radical initiators and macromonomers and graft copolymers which can be prepared with them Jochen Dauth, Bernward Deubzer, Oskar Nuyken, Brigette Voit 1998-01-06
5548070 Organosilicon compounds having triazene groups Jochen Dauth, Bernward Deubzer, Elfriede Mayer, Oskar Nuyken, Brigitte Voit 1996-08-20