Inventor · Newtown, PA, US

John James Dougherty

62Patents
21h-index
58Co-inventors
91Inventor score

Filing activity: Jul 1, 1975 → Jun 15, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4672501A Circuit breaker and protective relay unit Electricity 288 Expired
US4589052A Digital I.sup.2 T pickup, time bands and timing control circuits for static trip circuit breakers Electricity 212 Expired
US4550360A Circuit breaker static trip unit having automatic circuit trimming Electricity 130 Expired
US6405104B1 Fault data synchronization via peer-to-peer communications network Electricity 104 Expired
US6141197A Smart residential circuit breaker Electricity 69 Expired
US6950725B2 Home latch-key web based automation system Physics 66 Expired
US6356426B1 Residential circuit breaker with selectable current setting, load control and power line carrier signaling Electricity 59 Expired
US7620621B2 Methods and system for providing context sensitive information Emerging Cross-Sectional Technologies 53 Expired
US7019606B2 Circuit breaker configured to be remotely operated Electricity 43 Expired
US4510611A Transceiver circuit for interfacing between a power line communication system and a data processor Electricity 39 Expired
US4967304A Digital circuit interrupter with electric motor trip parameters Electricity 35 Expired
US7058482B2 Data sample and transmission modules for power distribution systems Emerging Cross-Sectional Technologies 32 Expired
US7532955B2 Distributed protection system for power distribution systems Emerging Cross-Sectional Technologies 30 Active
US6468003B2 Composite pile with tapering lower portion and method for driving pile into granular soil Emerging Cross-Sectional Technologies 28 Expired
US4348734A Converter by stored switching pattern Physics 28 Expired
US6002561A Arcing fault detection module Electricity 27 Expired
US4937757A Digital circuit interrupter with selectable trip parameters Electricity 27 Expired
US4658323A RMS calculation circuit for digital circuit interrupters Electricity 22 Expired
US6751528B1 Residential circuit arc detection Electricity 22 Expired
US7073980B2 Piling Fixed Constructions 21 Expired
US4685024A Overcurrent circuit interrupter using RMS sampling Electricity 21 Expired
US7636616B2 Protection system for power distribution systems Electricity 19 Active
US6046899A Hybrid protective relay having enhanced contact response time Electricity 16 Expired
US6466023B2 Method of determining contact wear in a trip unit Electricity 15 Expired
US4741002A RMS calculation circuit Electricity 12 Expired

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