Inventor · Downers Grove, IL, US

William L. Schubert

41Patents
24h-index
24Co-inventors
85Inventor score

Filing activity: Feb 2, 1977 → Dec 11, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6041582A System for recording soil conditions Human Necessities 215 Expired
US4086976A Isolated clean air chamber and engine compartment in a tractor vehicle Performing Operations; Transporting 192 Expired
US6058342A Precision control of implement position/motion Human Necessities 106 Expired
US6311795A Work vehicle steering and suspension system Performing Operations; Transporting 91 Expired
US5941920A Control of an active suspension system for a work vehicle based upon a parameter of another vehicle system Performing Operations; Transporting 90 Expired
US5810095A System for controlling the position of an implement attached to a work vehicle Fixed Constructions 71 Expired
US5505267A Differential lock control system for agricultural vehicles Performing Operations; Transporting 62 Expired
US6029764A Coordinated control of an active suspension system for a work vehicle Performing Operations; Transporting 61 Expired
US5725063A Articulated work vehicle Performing Operations; Transporting 60 Expired
US5899288A Active suspension system for a work vehicle Performing Operations; Transporting 59 Expired
US6173225A Power takeoff control system Human Necessities 56 Expired
US6000703A Active suspension system for a work vehicle having adjustable performance parameters Performing Operations; Transporting 56 Expired
US6076612A Transition from position to draft mode controlled by hitch position command and feedback Human Necessities 52 Expired
US6112139A Apparatus and method for wireless remote control of an operation of a work vehicle Fixed Constructions 48 Expired
US6898501B2 Apparatus for facilitating reduction of vibration in a work vehicle having an active CAB suspension system Emerging Cross-Sectional Technologies 46 Expired
US5802489A Front wheel drive engagement control system for agricultural vehicles Performing Operations; Transporting 44 Expired
US6116362A Articulated vehicle Performing Operations; Transporting 44 Expired
US5549166A Hitch assembly control system Human Necessities 40 Expired
US8935515B2 Method and apparatus for vector execution on a scalar machine Physics 37 Active
US5911769A Hitch assembly control system with slip control Human Necessities 31 Expired
US6058343A Threshold current control system for hydraulic valves Fixed Constructions 30 Expired
US6121782A Method for measuring yield and moisture Physics 29 Expired
US5884204A Active roadability control for work vehicles Human Necessities 26 Expired
US6242927A Method and apparatus measuring parameters of material Physics 25 Expired
US6105679A Control system for a hitched or trailed implement Human Necessities 24 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.