Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267536 | Sealing arrangement for tunnel segments | Junn Adachi, Dieter Kassel | 2001-07-31 |
| 6238139 | Sealing arrangement | Werner Grabe | 2001-05-29 |
| 6129485 | Seal and process for producing such seal | Werner Grabe, Holger Gutschmitd, Simon Bernard, Bruno Haye, Pierre Pallot | 2000-10-10 |
| 5888023 | Seal arrangement for tubular tunnel segments | Werner Grabe, Holger Gutschmidt, Bruno Haye | 1999-03-30 |
| 5648036 | Device and process for producing the corners of sealing frames | Werner Grabe, Holger Gutschmidt, Jurgen Ludemann | 1997-07-15 |
| 5346331 | Shield tail sealing | Lothar Anheuser | 1994-09-13 |
| 5107622 | Sealing for containers, in particular for refrigerated containers | Hans-Georg Fuchs, Gerda Luszek | 1992-04-28 |
| 5074711 | Profiled seal for tunnel segments | Werner Grabe | 1991-12-24 |
| 4946309 | Sealing profile | — | 1990-08-07 |
| 4900607 | Sealing profile | Werner Grabe | 1990-02-13 |
| 4824289 | Sealing profile for tunnel segments | Werner Grabe | 1989-04-25 |
| 4797032 | Sealing profile | — | 1989-01-10 |
| 4762441 | Sealing profile | — | 1988-08-09 |