Inventor · Shorewood, IL, US

Michael A. A'Hearn

8Patents
6h-index
12Co-inventors
52Inventor score

Filing activity: Feb 20, 1997 → Jun 27, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6357230B1 Hydraulic ride control system Fixed Constructions 19 Expired
US6161467A Fluid control system with regeneration Mechanical Engineering; Lighting; Heating 15 Expired
US6321534A Ride control Performing Operations; Transporting 9 Expired
US6173639A Fluid control system having float control Mechanical Engineering; Lighting; Heating 8 Expired
US6205781A Fluid control system including a work element and a valve arrangement for selectively supplying pressurized fluid thereto from two pressurized fluid sources Mechanical Engineering; Lighting; Heating 7 Expired
US6761027B2 Pressure-compensated hydraulic circuit with regeneration Mechanical Engineering; Lighting; Heating 7 Expired
US5826487A Pressure control for a pair of parallel hydraulic circuits Mechanical Engineering; Lighting; Heating 6 Expired
US6955115B1 Hydraulic circuit having pressure equalization during regeneration Mechanical Engineering; Lighting; Heating 4 Expired

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