Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386240 | Multilayer plastic pipe having good adhesion between layers | Stefan Roeber | 2002-05-14 |
| 5512342 | Multilayer plastic pipe | Stefan Rober, Hans Jadamus, Michael Boer, Roland Feinauer, Hans Ries | 1996-04-30 |
| 5500263 | Multilayer plastic pipe | Stefan Rober, Hans Jadamus, Michael Boer, Roland Feinauer, Hans Ries | 1996-03-19 |
| 5478620 | Multilayer plastic pipe | Joachim Mugge, Hubertus Ohm, Hans Ries | 1995-12-26 |
| 5474822 | Multilayer plastic pipe | Stefan Rober, Hans Jadamus, Michael Boer, Roland Feinauer, Hans Ries | 1995-12-12 |
| 5449024 | Multilayer plastic pipe | Stefan Rober, Roland Feinauer, Hans Jadamus, Joachim Mugge, Hans Ries | 1995-09-12 |
| 5404915 | Multilayer plastic pipe | Joachim Mugge, Stefan Rober, Hans Ries | 1995-04-11 |
| 5313987 | Multilayer plastic pipe comprising an outer polyamide layer and a layer of a molding formed from a mixture of thermoplastic polyester and a compound having at least two isocyanate groups | Stefan Rober, Joachim Mugge, Roland Feinauer, Hans Jadamus, Hans Ries | 1994-05-24 |