Inventor · Pewaukee, WI, US

Edward J. Gaffney

14Patents
11h-index
7Co-inventors
65Inventor score

Filing activity: Apr 30, 1975 → Jan 15, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4083599A Lift chair with rocker and wheel frame attachments Emerging Cross-Sectional Technologies 63 Expired
US4007960A Reclining elevator chair Emerging Cross-Sectional Technologies 58 Expired
US6659208B2 Powered golf caddy vehicle Emerging Cross-Sectional Technologies 32 Expired
US4892166A Motorized wheelchair assembly having coupling device Emerging Cross-Sectional Technologies 25 Expired
US4846011A Clutch assembly Emerging Cross-Sectional Technologies 25 Expired
US5645290A Stackable stroller Performing Operations; Transporting 21 Expired
US4338691A Bathtub aid for handicapped Human Necessities 17 Expired
US6698313B2 Dual motor gear drive unit Emerging Cross-Sectional Technologies 17 Expired
US5333702A Three wheel scooter with quick release rear motor and wheel assembly Emerging Cross-Sectional Technologies 14 Expired
US4909569A Lift chair Emerging Cross-Sectional Technologies 13 Expired
US5853346A Planetary gear assembly with floating ring gear Human Necessities 11 Expired
US6017289A Planetary gear assembly with floating ring gear Human Necessities 7 Expired
USRE30867E Travel chair General 4 Expired
US5400835A Method and associated tools for joining wires under tension Performing Operations; Transporting 0 Expired

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