HR

Helmut Ritter

DS Dentsply Sirona: 10 patents #19 of 352Top 6%
BH Bayer Healthcare: 5 patents #1,768 of 8,007Top 25%
SK Schaper & Brummer Gmbh & Co. Kg: 4 patents #1 of 18Top 6%
CL Clariant Finance (Bvi) Limited: 4 patents #74 of 535Top 15%
Hoechst Gmbh: 4 patents #925 of 4,020Top 25%
DG Dentsply Detrey Gmbh: 2 patents #5 of 37Top 15%
IA Ivoclar Vivadent Ag: 2 patents #139 of 359Top 40%
HA Heberlein Maschinenfabrik Ag: 2 patents #3 of 9Top 35%
TS Tesa Se: 2 patents #107 of 297Top 40%
PG Pharmpur Gmbh: 1 patents #4 of 7Top 60%
TK Target Systemelektronik Gmbh &Co. Kg: 1 patents #2 of 3Top 70%
AN Agfa-Gevaert Nv: 1 patents #910 of 1,819Top 55%
WL Wilkinson Sword Limited: 1 patents #26 of 52Top 50%
Basf Se: 1 patents #8,065 of 13,826Top 60%
CG Clariant Produkte (Deutschland) Gmbh: 1 patents #105 of 262Top 45%
DI Dentsply International: 1 patents #93 of 235Top 40%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
EG Evonik Degussa Gmbh: 1 patents #940 of 1,853Top 55%
HS H.C. Starck: 1 patents #125 of 248Top 55%
HF Heberlein Fibertechnology: 1 patents #5 of 7Top 75%
IA Ivoclar Ag: 1 patents #33 of 60Top 60%
📍 Wuppertal, DE: #37 of 1,656 inventorsTop 3%
Overall (All Time): #53,663 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12396929 Dental composition Joachim E. Klee, Hui LU, Kira NEUHAUS 2025-08-26
12268763 Curable dental two-pack composition Matthias Worm, Joachim E. Klee, Özgür Capar, Laura Hartmann, Moniralsadat Tabatabai 2025-04-08
11914085 Plastic scintillator based on an organic polyaddition product Olga LEONIDOVNA MAIATSKA, Jürgen Stein 2024-02-27
10899861 Polymerizable polyacidic polymer Joachim E. Klee, Caroline Renn, Florian Szillat, Oliver Elsner, Christian Scheufler +1 more 2021-01-26
10849831 Dental composition Caroline Renn, Florian Szillat, Joachim E. Klee, Christian Scheufler, Oliver Elsner +3 more 2020-12-01
10610462 Aqueous dental glass ionomer composition Caroline Renn, Oliver Elsner, Maximilian Maier, Florian Szillat, Joachim E. Klee +5 more 2020-04-07
10588830 Dental composition Joachim E. Klee, Florian Szillat, Maximilian Maier, Jacques LALEVEE, Jean-Pierre Fouassier +4 more 2020-03-17
10512594 Dental composition Joachim E. Klee, Florian Szillat, Maximilian Maier, Jacques LALEVEE, Jean-Pierre Fouassier +4 more 2019-12-24
10449125 Polymer for a glass ionomer cement Joachim E. Klee, Maximilliam Maier, Julia Gansel, Andreas Facher, Oliver Elsner +1 more 2019-10-22
10316117 Process for producing short-chain end-group-functionalized macromolecules based on styrene Stephan Zollner, Alexander Prenzel, Bernd Lühmann, Benjamin Pütz 2019-06-11
10123948 Dental composition Joachim E. Klee, Sven Pohle, Oliver Elsner, Mareike Bardts 2018-11-13
9999576 Dental composition Joachim E. Klee, Oliver Elsner, Sven Pohle, Dominika Bernert 2018-06-19
9993395 Polymer for a glass ionomer cement Joachim E. Klee, Maximilliam Maier, Julia Gansel, Andreas Facher, Oliver Elsner +1 more 2018-06-12
9877898 Dental materials based on low-odour thiols Norbert Moszner, Peter Burtscher, Urs Karl Fischer, Monir Tabatabai, Andreas Utterodt 2018-01-30
9834636 Shear-resistant pressure-sensitive adhesive with high tack Bernd Lühmann, Alexander Prenzel, Benjamin Pütz, Stephan Zollner 2017-12-05
9682019 Dental composition Joachim E. Klee, Oliver Elsner, Sven Pohle, Dominika Bernert 2017-06-20
9289360 Dental composition Joachim E. Klee, Stefan Brugger, Christoph Weber, Oliver Elsner, Mareike Bardts +2 more 2016-03-22
9045565 Water-soluble polysaccharide ethers and their use Bernd Mueller, Dirk-Henning Menz 2015-06-02
9039870 Method for producing alkaline (meth)acrylamides Matthias Krull, Christoph Kayser, Roman Morschhaeuser, Sarah Schmitz 2015-05-26
8883931 Polynitrones and use thereof for cross-linking unsaturated polymers Hakan Cinar 2014-11-11
8729207 Types of polyester-modified organopolysiloxanes Christian Hartung, Michael Ferenz, Wilfried Knott, Michael Fiedel 2014-05-20
8466212 Process for preparing dental materials having low polymerization shrinkage Norbert Moszner, Urs Karl Fischer, Monir Tabatabai, Matthias Schaub, Andreas Utterodt 2013-06-18
8329842 Ophthalmological composition and use thereof Daniel Schmitz 2012-12-11
8101785 Method for producing fatty acid alkanol amides Matthias Krull, Roman Morschhaeuser, Peter Klug, Alexander Lerch, Christoph Kayser +1 more 2012-01-24
8067635 Method for producing tertiary amides of alkylphenyl carboxylic acids Matthias Krull, Roman Morschhaeuser, Alexander Lerch, Sarah Schmitz 2011-11-29