Inventor · disambiguated record
Welm Friedrichsen
Also filed as: FRIEDRICHSEN WELM
17 granted patents·2 pending applications·281 citations·filing 1992–2016
94Inventor score
Files withDANFOSS AS12SAUER DANFOSS HOLDING AS3FRIEDRICHSEN WELM2DANFOSS FLUID POWER AS1SMIDT VERNER1
Top patents by PatentIndex Score
19 records- 0195USD424516SHydraulic motorDANFOSS AS·Filed 1998·Granted May 9, 2000·64 cites·1 claims
- 0285US5747950ASteering system for vehicles or shipsDANFOSS AS·Filed 1993·Granted May 5, 1998·36 cites·18 claims
- 0384US5493861AHydraulic system with pump and loadDANFOSS AS·Filed 1992·Granted Feb 27, 1996·33 cites·2 claims
- 0482US6654675B2Device for attenuating the pitching of an engine-driven vehicleSAUER DANFOSS HOLDING AS·Filed 2001·Granted Nov 25, 2003·38 cites·8 claims
- 0581US6594993B1Hydraulic driving device and system for a vehicleDANFOSS AS·Filed 2000·Granted Jul 22, 2003·18 cites·3 claims
- 0671US6688419B2Vehicle hydraulic driving systemSAUER DANFOSS HOLDING AS·Filed 2001·Granted Feb 10, 2004·22 cites·4 claims
- 0769US10495074B2Pump arrangementDANFOSS AS·Filed 2015·Granted Dec 3, 2019·1 cites·20 claims
- 0868US10590920B2Pump deviceDANFOSS AS·Filed 2015·Granted Mar 17, 2020·1 cites·15 claims
- 0966US5660096AControlled proportional valveDANFOSS AS·Filed 1993·Granted Aug 26, 1997·18 cites·13 claims
- 1061US9416795B2Reverse osmosis systemFRIEDRICHSEN WELM·Filed 2009·Granted Aug 16, 2016·2 cites·14 claims
- 1161US5701795AHydraulic systemDANFOSS AS·Filed 1993·Granted Dec 30, 1997·16 cites·30 claims
- 1253US5452579AHydraulic system with pump and loadDANFOSS AS·Filed 1992·Granted Sep 26, 1995·12 cites·5 claims
- 1352US8444110B2Valve arrangementSMIDT VERNER·Filed 2010·Granted May 21, 2013·1 cites·6 claims
- 1451US6619937B2Hydraulic machineSAUER DANFOSS HOLDING AS·Filed 2000·Granted Sep 16, 2003·8 cites·13 claims
- 1549US2013306887A1Valve arrangementDANFOSS AS·Filed 2013·Application pending·0 cites
- 1645US5778930AAdd-in device for a hydraulic control arrangementDANFOSS AS·Filed 1995·Granted Jul 14, 1998·8 cites·13 claims
- 1742US2016377066A1Water-hydraulic machineDANFOSS AS·Filed 2016·Application pending·0 cites
- 1840US9821273B2Reverse osmosis systemFRIEDRICHSEN WELM·Filed 2011·Granted Nov 21, 2017·0 cites·18 claims
- 1925US6158993AHydraulic motorDANFOSS FLUID POWER AS·Filed 1998·Granted Dec 12, 2000·3 cites·13 claims
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