Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612585 | Elastomeric strand-shaped sealing profile | — | 2003-09-02 |
| 6238139 | Sealing arrangement | Siegfried Glang | 2001-05-29 |
| 6129485 | Seal and process for producing such seal | Siegfried Glang, Holger Gutschmitd, Simon Bernard, Bruno Haye, Pierre Pallot | 2000-10-10 |
| 5888023 | Seal arrangement for tubular tunnel segments | Siegfried Glang, Holger Gutschmidt, Bruno Haye | 1999-03-30 |
| 5648036 | Device and process for producing the corners of sealing frames | Siegfried Glang, Holger Gutschmidt, Jurgen Ludemann | 1997-07-15 |
| 5074711 | Profiled seal for tunnel segments | Siegfried Glang | 1991-12-24 |
| 4900607 | Sealing profile | Siegfried Glang | 1990-02-13 |
| 4824289 | Sealing profile for tunnel segments | Siegfried Glang | 1989-04-25 |