Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9659762 | Amalgam balls having an alloy coating | Olivier Hutin | 2017-05-23 |
| 9263245 | Amalgam balls having an alloy coating | Olivier Hutin | 2016-02-16 |
| 7297178 | Method and device for producing spherical metal particles | Bernd Kempf, Georg Ptaschek, Roland Fuchs, Calogero DiVicenzo | 2007-11-20 |
| 5833462 | Precision attachments for dental technology capable of being cast on | Bernd Kempf, Alexander Voelcker, Ulrich Birkholz | 1998-11-10 |
| 5695714 | Gold-palladium alloys for dental materials | Bernd Kempf, Doris Hathaway, Gernot Schoeck, Bernd Meier | 1997-12-09 |
| 5547625 | Method of producing flexible plastic bands compounded with hard-material powders and/or soldering powders | Karlheinz Gleissner, Ekkehard Lange | 1996-08-20 |
| 4963184 | Tooth filling material and method of its preparation | Walter Diehl | 1990-10-16 |
| 4892582 | Dental filling-material and method for its preparation | Walter Diehl | 1990-01-09 |
| 4634383 | Process and apparatus for the production of fillings in teeth | Hans-Hermann Beyer, Walter Diehl, Karlheinz Eckert, Kurt Eiermann | 1987-01-06 |
| 4610631 | Process for the production of fillings for teeth | Hans-Hermann Beyer, Walter Diehl, Karlheinz Eckert, Kurt Eiermann | 1986-09-09 |
| 4187956 | Safety insert for storage vessels of low-boiling liquified gases | Rolf Schrawer, Werner K. Diehl | 1980-02-12 |