Polymeters Response International Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5563506 Electricity meters using current transformersMar 24, 95Oct 08, 96[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4931725 Electronic electricity metersExpiredDec 10, 87Jun 05, 90[G01R]
4558303 Methods of and apparatus for converting an analogue voltage to a digital representationExpiredFeb 01, 84Dec 10, 85[H03K]
4471232 Method of and apparatus for controlling loads on an electrical power supplyExpiredAug 27, 81Sep 11, 84[H02J, H04B, G06F]
4351028 Meters for measuring electrical energy consumptionExpiredFeb 19, 80Sep 21, 82[G06F, G01R]
4349879 Apparatus for controlling electrical power consumptionExpiredFeb 13, 80Sep 14, 82[G06F]
4345311 Electronic kilowatt-hour meter for measuring electrical energy consumptionExpiredJan 07, 80Aug 17, 82[G06F, G01R]

Top Inventors for This Owner

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