Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813457 | Flanged pipe part made of fiber-reinforced thermosetting synthetic resin with protective layer preventing crack formation in an angular intersection | Hendrik Waterink, Geert J. Pertien, Jan T. Brinke | 1989-03-21 |
| 4675965 | Method for manufacturing a pipe part from fibre-reinforced thermosetting synthetic material | Frederik Van Der Ploeg | 1987-06-30 |
| 4662655 | Pipe connection of fibre reinforced plastic pipe parts | Johannes H. M. Fliervoet | 1987-05-05 |