WF

Welm Friedrichsen

DA Danfoss A/S: 13 patents #22 of 704Top 4%
SA Sauer-Danfoss Holding A/S: 3 patents #5 of 39Top 15%
DA Danfoss Fluid Power A/S: 1 patents #3 of 16Top 20%
Overall (All Time): #273,543 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10590920 Pump device Lars Martensen, Frank Holm Iversen, Palle Olsen, Stig Kildegaard Andersen 2020-03-17
10495074 Pump arrangement Stig Kildegaard Andersen, Lars Martensen 2019-12-03
9821273 Reverse osmosis system Lasse Nicolai Langmaack, Palle Olsen, Erik Haugaard 2017-11-21
9416795 Reverse osmosis system Palle Olsen, Erik Haugaard 2016-08-16
8444110 Valve arrangement Verner Smidt, Lasse Nicolai Langmaack, Siegfried Zenker, Erik Haugaard, Carsten Christensen 2013-05-21
6688419 Vehicle hydraulic driving system Uffe Eriksen 2004-02-10
6654675 Device for attenuating the pitching of an engine-driven vehicle Søren Sandmann Pedersen, Per Nielsen Lindholdt, Asger Flintholm 2003-11-25
6619937 Hydraulic machine Hans-Erik Kiil, Claus Tjørnly Rasmussen 2003-09-16
6594993 Hydraulic driving device and system for a vehicle Uffe Eriksen 2003-07-22
6158993 Hydraulic motor Tom Tychsen, Richard Entwistle, Anders Bladt, Ib Damgaard, B.o slashed.rge Duus 2000-12-12
D424516 Hydraulic motor 2000-05-09
5778930 Add-in device for a hydraulic control arrangement Thorkild Christensen 1998-07-14
5747950 Steering system for vehicles or ships Aksel Baag.o slashed. Jepsen 1998-05-05
5701795 Hydraulic system 1997-12-30
5660096 Controlled proportional valve 1997-08-26
5493861 Hydraulic system with pump and load 1996-02-27
5452579 Hydraulic system with pump and load 1995-09-26