Leppakoski; Helena
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leppakoski; Helena.The latest application filed is for "arrangement for measuring properties of a moving paper web".
- Leppakoski; Helena - Jarvenpaa FI
- Leppakoski; Helena - Lempaala FI
| Patent | Date |
|---|---|
| Arrangement for measuring properties of a moving paper web Grant 7,001,485 - Koivukunnas , et al. February 21, 2 | 2006-02-21 |
| Method and equipment for cleaning and maintaining rolls Grant 6,905,573 - June 14, 2 | 2005-06-14 |
| Method and assembly for opening calender nips Grant 6,840,165 - Leppakoski , et al. January 11, 2 | 2005-01-11 |
| Method for calendering Grant 6,712,938 - Leppakoski , et al. March 30, 2 | 2004-03-30 |
| Arrangement for measuring properties of a moving paper web App 20020104637 - Koivukunnas, Pekka ; et al. | 2002-08-08 |
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