SAUER-DANFOSS INC.
172Patents
50Active
172Granted
47Portfolio score
Filing activity: Feb 10, 1999 → Aug 29, 2013 · 38 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7594377B1 | Means of adjusting ground speed of a vehicle based on load on blade assembly | Human Necessities | 50 | Active |
| US7182583B2 | Electro-hydraulic power unit with a rotary cam hydraulic power unit | Electricity | 37 | Expired |
| US6408972B1 | Electronic traction control system | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US6577141B2 | System and method for capacitance sensing of pavement density | Physics | 33 | Expired |
| US8080888B1 | Hydraulic generator drive system | Performing Operations; Transporting | 28 | Active |
| USD678283S1 | Vertical grip assembly | General | 24 | Active |
| US6272950A | Drive train for a vehicle and method of controlling a drive train | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7354368B2 | Method and means for shifting a hydromechanical transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6283721A | Production of hydrostatic axial piston machines by means of stepper motors | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6533695B2 | Hydromechanical transmission | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6427441B2 | Hydrostatic vehicle drive with control device and control device for hydrostatic drives | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6688417B2 | Axial piston unit for integrated wheel hub | Performing Operations; Transporting | 16 | Expired |
| US6750621B2 | Method and system for non-contact sensing of motion of a roller drum | Fixed Constructions | 15 | Expired |
| US6260468A | Single-piece proportional control | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6339928B1 | System for controlling a hydraulic propulsion drive | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6817253B2 | Method and means for measuring torque in hydraulic power units | Physics | 15 | Expired |
| US6338247B1 | System for controlling a hydraulic vehicle drive | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6314729A | Hydraulic fan drive system having a non-dedicated flow source | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6360537B1 | System for controlling a hydraulic vehicle drive | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6868672B2 | Method of controlling a swinging boom and apparatus for controlling the same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7640897B2 | Fan design and method of operating | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US6430923B1 | Loop flushing circuit | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6575872B2 | Method and apparatus for making smooth shifts during mode changes of an HMT when using mechanical clutches | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6852064B2 | Hydromechanical transmission electronic control system for high speed vehicles | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6257119A | Ball joint for servo piston actuation in a bent axis hydraulic unit | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.