Patent assignee · DK · COMPANY

Sauer-Danfoss ApS

68Patents
44Active
68Granted
49Portfolio score

Filing activity: Oct 8, 2002 → Jan 31, 2012 · 38 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US10161423B2 Fluid power distribution and control system Mechanical Engineering; Lighting; Heating 98 Active
US7243591B2 Hydraulic valve arrangement Mechanical Engineering; Lighting; Heating 25 Expired
US7398796B2 Valve arrangement Emerging Cross-Sectional Technologies 25 Active
USD695792S1 Joystick General 23 Active
US7766547B2 Object having a layer of conducting material forming a sensing device Physics 20 Active
US8668465B2 Hydraulic system with supplement pump Mechanical Engineering; Lighting; Heating 18 Active
US8020583B2 Hydraulic valve arrangement Emerging Cross-Sectional Technologies 13 Active
US7198065B2 Valve arrangement Emerging Cross-Sectional Technologies 11 Expired
US7219592B2 Valve arrangement and hydraulic drive Mechanical Engineering; Lighting; Heating 11 Expired
US7066446B2 Hydraulic valve arrangement Mechanical Engineering; Lighting; Heating 10 Expired
US6971472B2 Fully hydraulic steering Performing Operations; Transporting 9 Expired
US6854270B2 Hydraulic valve system Mechanical Engineering; Lighting; Heating 9 Expired
US7980354B2 Hydraulic steering Performing Operations; Transporting 7 Active
US8192175B2 Method of controlling a cyclically commutated hydraulic pump Mechanical Engineering; Lighting; Heating 7 Active
US7185730B2 Hydraulic steering arrangement Performing Operations; Transporting 7 Expired
US7997379B2 Hydraulic steering Performing Operations; Transporting 7 Active
US7610935B2 Fluid controller Emerging Cross-Sectional Technologies 7 Active
US7610988B2 Hydraulic steering Performing Operations; Transporting 6 Active
US8206125B2 Operating method for fluid working machine Mechanical Engineering; Lighting; Heating 6 Active
US7631590B2 Hydraulic steering arrangement Performing Operations; Transporting 6 Active
US6804956B2 Hydraulic steering system Performing Operations; Transporting 6 Expired
US7849686B2 Valve assembly and a hydraulic actuator comprising the valve assembly Mechanical Engineering; Lighting; Heating 6 Active
US9033309B2 Valve actuator Electricity 5 Active
US7770596B2 Hydraulic valve arrangement Emerging Cross-Sectional Technologies 5 Active
US8019506B2 Method of calibrating and steering a vehicle provided with a positioning system Performing Operations; Transporting 5 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.