Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635213 | Method of producing centrifugally cast, glass fiber reinforced plastic tubes | — | 2003-10-21 |
| 6450547 | Pipe coupling for plastic pipes | — | 2002-09-17 |
| 5758906 | Sockets serving for the connection of two plastic pipes | Peter Kunze, Johann Mitteregger | 1998-06-02 |
| 5362528 | Multi-layer pipe conduit having components of plastic material, inorganic filler material and glass fibers | — | 1994-11-08 |
| 5330238 | Coupler for connecting two plastic pipes and process and mold for producing the coupler | — | 1994-07-19 |
| 5306458 | Process for manufacturing a plastic pipe | Ralph Jost | 1994-04-26 |
| 5202076 | Method for producing multi-layer pipe conduit components of plastic material, inorganic filler material and glass fibers | — | 1993-04-13 |