Inventor · Gananoque, ON, CA

Michael A. Milligan

20Patents
13h-index
31Co-inventors
77Inventor score

Filing activity: Jul 14, 1999 → Dec 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6181032A Releasably connecting power packs to electrical appliances Emerging Cross-Sectional Technologies 104 Expired
US8549704B2 Hand-held cordless vacuum cleaner Human Necessities 57 Active
US7845046B2 Hand-held cordless vacuum cleaner Human Necessities 47 Active
USD469931S1 Blower General 45 Expired
USD446699S String trimmer General 35 Expired
US8429885B2 Cordless mower including cooling air flow arrangement Emerging Cross-Sectional Technologies 27 Active
US6514036B2 Radial flow fan with impeller having blade configuration for noise reduction Mechanical Engineering; Lighting; Heating 26 Expired
USD468874S1 Blower General 26 Expired
US7762049B2 Electric mower having two-motion activation system Electricity 23 Active
US7121010B2 Line generating device Emerging Cross-Sectional Technologies 20 Expired
US7392591B2 Light line generating assembly Physics 19 Active
US7299565B2 Tape measure Emerging Cross-Sectional Technologies 17 Expired
US6301866A Vegetation trimming and edging device with adjustable head orientation Human Necessities 14 Expired
USD437580S Battery General 13 Expired
US7513052B2 Light line generating device Emerging Cross-Sectional Technologies 8 Active
US6637069B2 Blower having fan oriented perpendicular to discharge nozzle Human Necessities 6 Expired
US7523558B2 Tool incorporating a light line generating device Emerging Cross-Sectional Technologies 6 Active
US6460319B2 Vegetation trimming and edging device with adjustable head orientation Human Necessities 4 Expired
USD548118S1 Tape measure with laser module General 3 Expired
US7686007B2 Tile saw with releasable tool Performing Operations; Transporting 1 Active

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