Perala; Aulis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Perala; Aulis.The latest application filed is for "filter cloth and replaceable filter module".
- Perala; Aulis - Pirkkala FI
- Perala; Aulis - Teraksentie FI
| Patent | Date |
|---|---|
| Filter cloth and replaceable filter module Grant 7,370,766 - Perala May 13, 2 | 2008-05-13 |
| Filter cloth and replaceable filter module App 20040094473 - Perala, Aulis | 2004-05-20 |
| Filter cloth and replaceable filter module Grant 6,719,148 - Perala April 13, 2 | 2004-04-13 |
| Method for manufacturing shrink fabric, and shrink fabric Grant 6,658,709 - December 9, 2 | 2003-12-09 |
| Filter cloth and replaceable filter module App 20020053541 - Perala, Aulis | 2002-05-09 |
| Method for manufacturing shrink fabric, and shrink fabric App 20020050036 - Perala, Aulis ; et al. | 2002-05-02 |
| Filter bag for a machine screen Grant 5,084,174 - Perala , et al. January 28, 1 | 1992-01-28 |
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