EA TECHNOLOGY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6641712 Process for the recovery of tin, tin alloys or lead alloys from printed circuit boardsOct 10, 01Nov 04, 03[C25C]
6345228 Road vehicle sensing apparatus and signal processing apparatus thereforAug 05, 98Feb 05, 02[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0156,098 POWER DEMAND MANAGEMENT ON A LOW VOLTAGE NETWORK WITH A PLURALITY OF INTELLIGENT SOCKETSAbandonedMar 29, 12Jun 05, 14[G05B]
2012/0176,121 CURRENT PASSAGE INDICATORAbandonedJul 05, 10Jul 12, 12[G01R]
5772320 Method and aparatus for mixing a metal matrix compositeExpiredSep 04, 96Jun 30, 98[B01F, C21C, C22C, C21B]
5700993 Heating apparatus controlled to utilize lower cost energyExpiredMar 15, 96Dec 23, 97[H05B]
5572883 Cold storage apparatusExpiredFeb 06, 95Nov 12, 96[F25D]
5545390 Process for the destruction of halocarbonsExpiredMar 30, 95Aug 13, 96[C01D]
5455402 Induction heater having a conductor with a radial heating elementExpiredJun 14, 94Oct 03, 95[H05B]
5217065 Feeder tube and an apparatus for enabling heat transfer between a first fluid and an elongate elementExpiredDec 20, 91Jun 08, 93[F28B, F28D]
RE34163 Symmetrical fault current detectorExpiredMar 12, 91Jan 19, 93[H02H]
5135355 Rotor with internal electrical heating elementExpiredAug 05, 91Aug 04, 92[F01D]
5056692 Dispensing apparatus for molten metalExpiredOct 06, 89Oct 15, 91[C21C]
4959525 Apparatus for heating an electrically conductive flowable material flowing through a pipelineExpiredFeb 07, 89Sep 25, 90[F24H, H05B, A23L]
4843201 Induction heater coupling control by core saturationExpiredMay 17, 88Jun 27, 89[H05B]
4805669 Electromagnetic valveExpiredMay 10, 88Feb 21, 89[F15C]
4775769 Method of baking utilizing radio frequency energy and metal containersExpiredJun 11, 87Oct 04, 88[H05B]
4736045 Process for fluorinating ethersExpiredSep 11, 84Apr 05, 88[C07D, C07C]
4678881 Induction apparatus for heating and mixing a fluidExpiredMay 28, 86Jul 07, 87[H05B]
4663763 Charge-load support for a glow discharge furnaceExpiredAug 21, 85May 05, 87[H05B]
4629844 Induction heater having an alternating current conductorExpiredAug 28, 85Dec 16, 86[H05B]
4553188 SectionalizerExpiredMay 25, 83Nov 12, 85[H02H]

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