Inventor · Joliet, IL, US

Leon A. Wirt

12Patents
6h-index
4Co-inventors
51Inventor score

Filing activity: Nov 4, 1974 → May 22, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4195716A Brake release mechanism Performing Operations; Transporting 16 Expired
US4029225A Boom-stick adapter for two-piece boom Fixed Constructions 14 Expired
US4108224A Tree shear tilting mechanism Fixed Constructions 10 Expired
US4013130A Ripper tip assembly Fixed Constructions 9 Expired
US3995671A Shear-mechanism-tree harvester Human Necessities 9 Expired
US4077445A Hydraulic circuit for tree harvester Human Necessities 7 Expired
US3964803A Self-aligning trunnion bearing assembly Mechanical Engineering; Lighting; Heating 6 Expired
US3998277A Bulldozer assembly with means for pivotally connecting the push arms thereof Fixed Constructions 6 Expired
US4454715A Fluid control system Mechanical Engineering; Lighting; Heating 4 Expired
US4126235A Tree harvester control linkage Performing Operations; Transporting 2 Expired
US4069847A Tree shear with spherical blades Human Necessities 2 Expired
US4335631A Method for making a shear blade Emerging Cross-Sectional Technologies 0 Expired

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