Virving; Nils
Patent Applications and Registrations
Patent applications and USPTO patent grants for Virving; Nils.The latest application filed is for "refining element".
- Virving; Nils - Hasselby SE
- Virving; Nils - Vallingby SE
| Patent | Date |
|---|---|
| Refining element Grant 7,513,451 - Virving , et al. April 7, 2 | 2009-04-07 |
| Refining element Grant 7,451,946 - Virving November 18, 2 | 2008-11-18 |
| Refining element Grant 7,445,174 - Virving November 4, 2 | 2008-11-04 |
| Refining surface and a blade segment for a refiner Grant 7,419,112 - Sjostrom , et al. September 2, 2 | 2008-09-02 |
| Refining element Grant 7,354,011 - Virving April 8, 2 | 2008-04-08 |
| Refining element App 20070095962 - Virving; Nils ; et al. | 2007-05-03 |
| Refining surface and a blade segment for a refiner App 20070084952 - Sjostrom; Hakan ; et al. | 2007-04-19 |
| Refining element Grant 7,198,216 - Virving April 3, 2 | 2007-04-03 |
| Refining element App 20070057102 - Virving; Nils | 2007-03-15 |
| Refining element App 20060202074 - Virving; Nils | 2006-09-14 |
| Refining element App 20060151649 - Virving; Nils | 2006-07-13 |
| Pair of opposed co-operating refining elements Grant 7,007,879 - Virving March 7, 2 | 2006-03-07 |
| Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment Grant 6,957,785 - Virving October 25, 2 | 2005-10-25 |
| Refining segment and a refining apparatus comprising a refining disc with such refining segment Grant 6,932,290 - Virving August 23, 2 | 2005-08-23 |
| Refining element App 20040173702 - Virving, Nils | 2004-09-09 |
| Pair of opposed co-operating refining elements App 20040118959 - Virving, Nils | 2004-06-24 |
| Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment App 20030189117 - Virving, Nils | 2003-10-09 |
| Refining segment and refining apparatus comprising a refining disc with such refining segment App 20030183712 - Virving, Nils | 2003-10-02 |
| Separator device with rotor having peripheral carriers for separating solid particles from a gas stream Grant 6,602,310 - Virving August 5, 2 | 2003-08-05 |
| Refining elements Grant 5,683,048 - Virving November 4, 1 | 1997-11-04 |
| Refining element of a disc refiner Grant 5,526,992 - Hawen , et al. June 18, 1 | 1996-06-18 |
| Refining segment Grant 5,362,003 - Virving November 8, 1 | 1994-11-08 |
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