Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940478 | Method of melting raw materials | Wilfried Naber, Heinz-Jurgen Ungerer | 1990-07-10 |
| 4822392 | Apparatus for producing fibres from silicate raw materials such as basalt by blast drawing | Gaston Fachat, Heinz-Jurgen Ungerer | 1989-04-18 |
| 4698086 | Apparatus for producing mineral fibres from molten silicate by blast drawing | Gaston Fachat, Heinz-Jurgen Ungerer | 1987-10-06 |
| 4263034 | Method and apparatus for control of fiberization of thermoplastic material | Hans Gartner | 1981-04-21 |