| 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 |