Inventor · Cambridge, GB

Andrew Dames

77Patents
26h-index
58Co-inventors
91Inventor score

Filing activity: Dec 21, 1989 → Oct 20, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6888538B2 Position sensor Physics 201 Expired
US6522128B1 Position sensor having compact arrangement of coils Electricity 177 Expired
US6304014A Motor control system Physics 148 Expired
US6076007A Surgical devices and their location Physics 147 Expired
US6489899B1 Position detector Physics 145 Expired
US6144300A Spatial magnetic interrogation Emerging Cross-Sectional Technologies 135 Expired
US7030782B2 Position detector Physics 130 Expired
US6705511B1 Transducer and method of manufacture Physics 130 Expired
US6788221B1 Signal processing apparatus and method Electricity 123 Expired
US5815091A Position encoder Physics 117 Expired
US6249234A Position detector Physics 112 Expired
US6118271A Position encoder using saturable reactor interacting with magnetic fields varying with time and with position Electricity 105 Expired
US6323770A Apparatus for interrogating a magnetically coded tag Emerging Cross-Sectional Technologies 92 Expired
US6323769A Apparatus for interrogating a magnetically coded tag Emerging Cross-Sectional Technologies 85 Expired
US6329916A Magnetic marker or tag Emerging Cross-Sectional Technologies 78 Expired
US6373388B1 Coding articles Emerging Cross-Sectional Technologies 76 Expired
US5697649A Articles employing a magnetic security feature Emerging Cross-Sectional Technologies 71 Expired
US6124708A Position detection using a spaced apart array of magnetic field generators and plural sensing loop circuits offset from one another in the measurement direction Physics 70 Expired
US6371379B1 Magnetic tags or markers Physics 54 Expired
US6414475B1 Current sensor Physics 51 Expired
US5621316A Apparatus for measuring the positions of plural movable members each associated with a respective magnetorestrictive element Physics 40 Expired
US5639126A Machine readable and visually verifiable security threads and security papers employing same Physics 38 Expired
US8912683B2 Smart responsive electrical load Emerging Cross-Sectional Technologies 34 Active
US5414410A Method and system for detecting a marker Physics 29 Expired
US5459451A Electronic article surveillance system with enhanced geometric arrangement Electricity 29 Expired

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