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| US4028175 | 25. Juni 1976 | 7. Juni 1977 | J. M. Voith GmbH | Cylinder machine having positive pressure chambers adjacent an outer band |
| US4308097 | 5. März 1980 | 29. Dez. 1981 | J. M. Voith GmbH | Former for producing a paper web |
| US4349414 | 23. Sept. 1981 | 14. Sept. 1982 | AB Karlstads Mekaniska Werkstad | Method for forming a multilayer jet of paper making stock |
