Inventor · New Freedom, PA, US

Stephen A. Debelius

10Patents
8h-index
22Co-inventors
72Inventor score

Filing activity: Feb 1, 1982 → Feb 17, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7314097B2 Hammer drill with a mode changeover mechanism Performing Operations; Transporting 95 Expired
US5497932A Manually operated fastening device Performing Operations; Transporting 65 Expired
US6311787A Power driven rotary device Performing Operations; Transporting 55 Expired
US4474077A Housing retaining means for portable power tools and method of assembly therefor Emerging Cross-Sectional Technologies 30 Expired
US8047083B2 Trigger assembly including a flexible bend sensor Electricity 21 Active
US7328904B2 Power tool with power-take-off driven pusher-type chuck having device for reducing tension in pusher screw Emerging Cross-Sectional Technologies 15 Expired
US7036406B2 Impact wrench having an improved anvil to square driver transition Performing Operations; Transporting 14 Expired
US7588398B2 Tool chuck with power take off and dead spindle features Emerging Cross-Sectional Technologies 9 Active
US7537421B2 Dead spindle PTO with compliant grounding mechanism Emerging Cross-Sectional Technologies 5 Active
US6707198B1 Armature shaft retainer Emerging Cross-Sectional Technologies 4 Expired

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