Friedrichsen; Welm
Patent Applications and Registrations
Patent applications and USPTO patent grants for Friedrichsen; Welm.The latest application filed is for "water-hydraulic machine".
- Friedrichsen; Welm - Nordborg DK
| Patent | Date |
|---|---|
| Pump device Grant 10,590,920 - Friedrichsen , et al. | 2020-03-17 |
| Pump arrangement Grant 10,495,074 - Friedrichsen , et al. De | 2019-12-03 |
| Reverse osmosis system Grant 9,821,273 - Friedrichsen , et al. November 21, 2 | 2017-11-21 |
| Water-hydraulic Machine App 20160377066 - Friedrichsen; Welm ; et al. | 2016-12-29 |
| Reverse osmosis system Grant 9,416,795 - Friedrichsen , et al. August 16, 2 | 2016-08-16 |
| Pump Arrangement App 20160131116 - Friedrichsen; Welm ; et al. | 2016-05-12 |
| Pump Device App 20160131119 - Friedrichsen; Welm ; et al. | 2016-05-12 |
| Valve Arrangement App 20130306887 - Smidt; Verner ; et al. | 2013-11-21 |
| Valve arrangement Grant 8,444,110 - Smidt , et al. May 21, 2 | 2013-05-21 |
| Reverse Osmosis System App 20130037464 - Friedrichsen; Welm ; et al. | 2013-02-14 |
| Reverse Osmosis System App 20110203987 - Friedrichsen; Welm ; et al. | 2011-08-25 |
| Valve Arrangement App 20110000555 - Smidt; Verner ; et al. | 2011-01-06 |
| Vehicle hydraulic driving system Grant 6,688,419 - Eriksen , et al. February 10, 2 | 2004-02-10 |
| Device for attenuating the pitching of an engine-driven vehicle Grant 6,654,675 - Pedersen , et al. November 25, 2 | 2003-11-25 |
| Hydraulic machine Grant 6,619,937 - Friedrichsen , et al. September 16, 2 | 2003-09-16 |
| Hydraulic driving device and system for a vehicle Grant 6,594,993 - Friedrichsen , et al. July 22, 2 | 2003-07-22 |
| Device for attenuating the pitching of an engine-driven vehicle App 20030014167 - Pedersen, Soren ; et al. | 2003-01-16 |
| Hydraulic machine App 20020192095 - Friedrichsen, Welm ; et al. | 2002-12-19 |
| Vehicle hydraulic driving system App 20020070068 - Eriksen, Uffe Lykke ; et al. | 2002-06-13 |
| Hydraulic motor Grant D424,516 - Friedrichsen May 9, 2 | 2000-05-09 |
| Hydraulic system Grant 5,701,795 - Friedrichsen December 30, 1 | 1997-12-30 |
| Controlled proportional valve Grant 5,660,096 - Friedrichsen August 26, 1 | 1997-08-26 |
| Hydraulic system with pump and load Grant 5,493,861 - Friedrichsen February 27, 1 | 1996-02-27 |
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