Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291730 | Spinner for manufacturing dual-component irregularly-shaped hollow insulation fiber | Witold S. Czastkiewicz, Erkki Paivinen, Stan Banaszkiewicz | 2012-10-23 |
| 7100862 | Roll-up machine and method | Witold S. Czastkiewicz, Erkki Paivinen, Stan Banaszkiewicz | 2006-09-05 |
| 7003987 | Hybrid spinner for making a mixture of single-glass and dual-glass fibres right at the fibre forming stage | Witold S. Czastkiewicz, Stan Banaszkiewicz | 2006-02-28 |
| 6990837 | High throughput capacity spinner for manufacturing dual-component curly fibers | Witold S. Czastkiewicz, Stan Banaszkiewicz | 2006-01-31 |
| 6712576 | Batch charger for cold top electric furnace | Witold S. Czastkiewicz, Erkki Paivinen | 2004-03-30 |
| 6170298 | Glass spinner with partitioned spinning head | Witold S. Czastkiewicz, Andrzej Nasiorowski, Erkki Paivinen | 2001-01-09 |