Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815735 | Body having a smooth diamond layer, device and method therefor | Dirk Breidt, Oliver Lemmer | 2010-10-19 |
| 6606884 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Volker Rheinberger, Wolfram Hoeland | 2003-08-19 |
| 6514893 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Volker Rheinberger, Wolfram Hoeland | 2003-02-04 |
| 6342458 | Lithium disilicate glass ceramics dental product | Marcel Schweiger, Volker Rheinberger, Wolfram Hoeland | 2002-01-29 |
| 6306784 | Alkali silicate glass | Helga Drescher, Volker Rheinberger, Wolfram Höland | 2001-10-23 |
| 6280863 | Translucent apatite glass ceramic | Helga Drescher, Wolfram Höland, Volker Rheinberger | 2001-08-28 |
| 6268045 | Hard material coating of a cemented carbide or carbide containing cermet substrate | Antonius Leyendecker, Oliver Lemmer | 2001-07-31 |
| 6200137 | Chemically stable translucent apatite glass ceramic | Wolfram Höland, Helga Drescher, Volker Rheinberger | 2001-03-13 |
| 5968856 | Sinterable lithium disilicate glass ceramic | Marcel Schweiger, Volker Rheinberger, Wolfram Hoeland | 1999-10-19 |
| 5925180 | ZrO.sub.2 -containing glass-ceramic | Volker Rheinberger, Wolfram Hoeland | 1999-07-20 |
| 5698019 | Leucite-containing phosphosilicate glass-ceramic | Marcel Schweiger, Volker Rheinberger, Wolfram Hoeland | 1997-12-16 |
| 5698482 | ZrO.sub.2 - containing glass-ceramic | Volker Rheinberger, Wolfram Hoeland | 1997-12-16 |
| 5618763 | Alkali-zinc-silicate glass-ceramics and glasses | Susanne Wegner, Volker Rheinberger, Wolfram Hoeland | 1997-04-08 |
| 5432130 | Opalescent glass | Volker Rheinberger, Wolfram Hoeland | 1995-07-11 |
| 4614091 | Process and device for cooling in containers | Klaus Plassmeier | 1986-09-30 |
| 4206616 | Method and container for cooling goods with dry ice | Gerd Braun | 1980-06-10 |