Inventor · Hudson, MA, US

Robert A. Curtis

15Patents
10h-index
8Co-inventors
65Inventor score

Filing activity: Jul 29, 1975 → Nov 7, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5321373A Combined differential-mode common-mode noise filter Electricity 95 Expired
US5243308A Combined differential-mode and common-mode noise filter Electricity 80 Expired
US5223806A Method and apparatus for reducing electromagnetic interference and emission associated with computer network interfaces Electricity 46 Expired
US5339307A Data communication system with a local network interface Electricity 26 Expired
US4875223A Twisted pair adapter Electricity 25 Expired
US5247464A Node location by differential time measurements Electricity 25 Expired
US5255287A Transceiver apparatus and methods Electricity 22 Expired
US4974190A Pass-through and isolation switch Electricity 19 Expired
US5685192A Apparatus for determining the moisture content of solids over a range of relative humidities and temperatures Physics 12 Expired
US3998144A Coffee urn Human Necessities 10 Expired
US5003556A Squelch circuit Electricity 8 Expired
USD556497S1 Beverage brewing machine General 8 Expired
US5459713A Self-configuring data communication system and method Electricity 7 Expired
USD556498S1 Beverage brewing machine General 7 Expired
US6014409A Passive analog filter for network interface Electricity 2 Expired

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