Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898632 | Method of manufacturing a safety glass pane comprised of a sheet of glass and a sheet of flexible plastic material | Vordem Esche, Heinz Scholl | 1990-02-06 |
| 4459148 | Roll for carrying glass sheets | Werner Diederen, Heinz Ueberwolf, Heinz-Gunter Zilgens | 1984-07-10 |
| 4453669 | Electrically heated glass pane | Heinz Karla | 1984-06-12 |
| 4361428 | Process and apparatus for regulating the temperature of a glass sheet in a multi-cell furnace | Karl R. Bartusel, Walter Schamberg, Josef Willems | 1982-11-30 |
| 4282025 | Carriage for transporting sheets of glass and for placing them in a press for imparting a convex shape | Werner Pagel, Gunther Schmidt | 1981-08-04 |
| 4274792 | Apparatus for the automatic unfastening of glass sheets suspended from pincer-like gripping machines | Werner Pagel, Heinz-Bernd Rissmann, Karl-Christoph Happich | 1981-06-23 |
| 4240660 | Apparatus for transporting sheets of glass in a vertical position | Werner Pagel, Gunther Schmidt, Laurenz Hausmann | 1980-12-23 |
| 4239274 | Self-tightening clamp for the suspension of glass sheets | Waldemar Linberg, Hans-Peter Siemonsen | 1980-12-16 |
| 4230474 | Apparatus and process for simultaneous thermic glass sheet hardening | Johann Winandy, Hans-Pieter Siemonsen | 1980-10-28 |
| 4203751 | Method and apparatus for making convex sheets of glass having a small radius of curvature | Hans-Peter Siemonsen, Gunther Schmidt, Hubert Sonntag, Leo J. Peters, III | 1980-05-20 |