Grann; Helge
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grann; Helge.The latest application filed is for "centrifugal pump".
- Grann; Helge - Bjerringbro DK
| Patent | Date |
|---|---|
| Centrifugal pump Grant 11,162,504 - Grann , et al. November 2, 2 | 2021-11-02 |
| Centrifugal Pump App 20190316595 - GRANN; Helge ; et al. | 2019-10-17 |
| Rotor for a canned motor Grant 9,429,164 - Kjaer , et al. August 30, 2 | 2016-08-30 |
| Bearing arrangement Grant 9,074,625 - Vedsted , et al. July 7, 2 | 2015-07-07 |
| Pump assembly Grant 8,807,920 - Grann , et al. August 19, 2 | 2014-08-19 |
| Rotor made of magnetic material Grant 8,729,768 - Grann , et al. May 20, 2 | 2014-05-20 |
| Bearing arrangement Grant 8,708,565 - Vedsted , et al. April 29, 2 | 2014-04-29 |
| Magnetic drive arrangement Grant 8,610,324 - Grann , et al. December 17, 2 | 2013-12-17 |
| Pump assembly Grant 8,333,575 - Grann , et al. December 18, 2 | 2012-12-18 |
| Moineau pump Grant 8,308,459 - Grann , et al. November 13, 2 | 2012-11-13 |
| Eccentric screw pump Grant 8,152,499 - Brun , et al. April 10, 2 | 2012-04-10 |
| Rotor Made Of Magnetic Material App 20110260575 - Grann; Helge ; et al. | 2011-10-27 |
| Pump Assembly App 20110223009 - Grann; Helge ; et al. | 2011-09-15 |
| Bearing Arrangement App 20110044568 - Vedsted; Per Frost ; et al. | 2011-02-24 |
| Bearing Arrangement App 20100278466 - Vedsted; Per Frost ; et al. | 2010-11-04 |
| Rotor For A Canned Motor App 20100272591 - Kjaer; Oluf ; et al. | 2010-10-28 |
| Moineau Pump App 20100260636 - Grann; Helge ; et al. | 2010-10-14 |
| Magnetic Drive Arrangement App 20100237732 - Grann; Helge ; et al. | 2010-09-23 |
| Eccentric Screw Pump App 20090214369 - Brun; Esben Gronborg ; et al. | 2009-08-27 |
| Pump Assembly App 20090035161 - Grann; Helge ; et al. | 2009-02-05 |
| Ready-to-mount axial face seal Grant 6,729,622 - Vedsted , et al. May 4, 2 | 2004-05-04 |
| Ready-to -mount axial face seal App 20020125648 - Vedsted, Per Frost ; et al. | 2002-09-12 |
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