Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216371 | Composite filtering structures with mat of packed melt blown micro- and nano-fibres having NANO-protrusions | Witalis Ruminski, Pawel Kmuk, Jan Gradon | 2015-12-22 |
| 8231752 | Method and apparatus for making filter element, including multi-characteristic filter element | Eric A. Janikowski, Barry M. Verdegan, Jerald J. Moy, Witalis Ruminski, Leon Gradon +3 more | 2012-07-31 |
| 7674425 | Variable coalescer | Brian W. Schwandt, Christopher E. Holm, Tadeusz Jaroszczyk, Eric A. Janikowski, Kwok-Lam Ng +5 more | 2010-03-09 |
| 5301540 | Probe for measuring the viscosity of liquids | Wlodzimierz Pilacinski, Boguslaw Korecki, Leon Gradon, Ryszard Plowiec, Andrzej Kaczynski +1 more | 1994-04-12 |