Inventor · Williamsport, PA, US

David Martinez

35Patents
12h-index
26Co-inventors
81Inventor score

Filing activity: Oct 11, 1983 → May 18, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5533581A Electric hand tool, in particular drill Mechanical Engineering; Lighting; Heating 1,517 Expired
US4944757A Modulator knee prosthesis system Human Necessities 398 Expired
US5273089A Routing machine Emerging Cross-Sectional Technologies 62 Expired
US5308201A Milling machine Emerging Cross-Sectional Technologies 43 Expired
USD326156S Knee joint for prosthetic system General 41 Expired
US6078015A Actuator for power switch in a lawn and garden care appliance Electricity 37 Expired
US5009012A Saber saw Performing Operations; Transporting 28 Expired
US5566429A Extruded zipper with orienting means and method for orienting same Emerging Cross-Sectional Technologies 24 Expired
US5531027A Hedge trimmer drive assembly Human Necessities 20 Expired
US4884344A Saber saw Performing Operations; Transporting 19 Expired
USD596283S1 Air mover General 19 Expired
US7165290B2 Caster and dolly wheel attachments for cylindrical tanks Performing Operations; Transporting 13 Expired
US9192270B2 Drain system and method for vacuum cleaner Emerging Cross-Sectional Technologies 12 Active
USD365256S Hedge trimmer General 10 Expired
US7758055B2 Dolly with wheel lock Performing Operations; Transporting 10 Active
USD619318S1 Mop bucket General 9 Expired
US6003611A Curb support roller for a vertical drive shaft lawn edger Human Necessities 9 Expired
US6938299B2 Wet-dry vacuum cleaner with securely nestable tool holder and basket Human Necessities 9 Expired
US7389563B2 Cleaning device with pivoting tank Human Necessities 7 Expired
USD360563S Edger General 7 Expired
US6494544B1 Axle and wheel mounting system for a wet/dry vacuum cleaner Human Necessities 7 Expired
US6289660A Lawn edger having a side mounted debris deflector Emerging Cross-Sectional Technologies 6 Expired
USD611215S1 Mop bucket General 6 Expired
US5638587A Extruded zipper with orienting means, and method for orienting same Emerging Cross-Sectional Technologies 6 Expired
USD434537S Vacuum cleaner head General 5 Expired

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