Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837342 | Process for applying antidrip edge to a glass sheet | Helga Grunzel, Bernhard Sattler | 1998-11-17 |
| 5766770 | Fire resistant glass structure | Helga Grunzel, Bernd Harbecke | 1998-06-16 |
| 5628155 | Fire-resistant structural component with glass pane | Hans-Jurgen Ollech, Arthur J. Pettit, David R. Goodall | 1997-05-13 |
| 5210500 | Process for contactless measurement of the electrical resistance of a test material | Ulrich Pingel | 1993-05-11 |
| 5135788 | Fireproof blasting assembly for glass pane | — | 1992-08-04 |
| 4676998 | Method of making a fire-resistant translucent solid layer | Wolfgang Zernial | 1987-06-30 |
| 4626301 | Method of making a fire-resistant translucent layer | — | 1986-12-02 |
| 4451312 | Method of forming a laminated fire screening panel | — | 1984-05-29 |
| 4304052 | Drying intumescent material | Werner Brosker, Werner Janning, Marcel De Boel | 1981-12-08 |
| 4259273 | Formation of solid layers of material | Pol Baudin, Marcel De Boel | 1981-03-31 |
| 4191805 | Method of forming a layer of material from a solution | — | 1980-03-04 |