Inventor · Fresno, CA, US

Mark E. Greig

11Patents
9h-index
10Co-inventors
69Inventor score

Filing activity: May 31, 2000 → Dec 23, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7896394B2 Midwheel drive wheelchair with independent front and rear suspension Performing Operations; Transporting 50 Active
US8113531B2 Personal mobility vehicle having a pivoting suspension with a torque activated release mechanism Emerging Cross-Sectional Technologies 48 Active
US6715784B2 Method programming and operating a wheelchair having tilt and recline functions Human Necessities 46 Expired
US8210556B2 Midwheel drive wheelchair with independent front and rear suspension Performing Operations; Transporting 35 Active
US6588792B1 Method of programming and operating tilt and recline functions in a wheelchair Human Necessities 34 Expired
US7310776B2 Control system with customizable menu structure for personal mobility vehicle Physics 22 Active
US7113854B2 Personal mobility vehicle control system with input functions programmably mapped to output functions Human Necessities 20 Expired
US7159181B2 Control system with customizable menu structure for personal mobility vehicle Physics 16 Expired
US7668634B2 Personal mobility vehicle control system with input functions programmably mapped to output functions Human Necessities 12 Active
US8469383B2 Midwheel drive wheelchair with independent front and rear suspension Performing Operations; Transporting 6 Active
US12115110B2 Manual wheelchair propulsion system Performing Operations; Transporting 0 Active

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