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Ea Technology Limited

Also on record
Records under this name other than the patents Ea Technology Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 2 patents it holds.

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PatentTitleStatus Expires Confidence
US 9,042,063Switching Arrangement
Lapsed on the fee record
Ended May 26, 2023 · High confidence
Lapsed on the fee recordEnded May 26, 2023High confidence
US 6,641,712Process for the recovery of tin, tin alloys or lead alloys from printed circuit boards
Term ended
Term ended Oct 10, 2021 · From the USPTO record
Term endedTerm ended Oct 10, 2021From the USPTO record
US 6,172,346Method of processing ceramic materials and a microwave furnace therefore
Formerly held
Term ended
Term ended May 22, 2016 · From the USPTO record
Term endedTerm ended May 22, 2016From the USPTO record
US 6,057,532Infra-red radiation sources
Formerly held
Term ended
Term ended Mar 15, 2016 · From the USPTO record
Term endedTerm ended Mar 15, 2016From the USPTO record
US 6,350,973Radio-frequency and microwave-assisted processing of materials
Formerly held
Lapsed on the fee record
Ended Feb 26, 2014 · From the USPTO record
Lapsed on the fee recordEnded Feb 26, 2014From the USPTO record
US 6,309,522Electrolytic cell
Formerly held
Lapsed on the fee record
Ended Oct 30, 2005 · From the USPTO record
Lapsed on the fee recordEnded Oct 30, 2005From the USPTO record
US 6,235,168Membrane-supporting frame assembly for an electrolytic cell
Formerly held
Lapsed on the fee record
Ended May 22, 2005 · From the USPTO record
Lapsed on the fee recordEnded May 22, 2005From the USPTO record
US 4,315,131Electron discharge heating devices
Term ended
Term ended no later than Feb 9, 2002 · Low confidence
Term endedTerm ended no later than Feb 9, 2002Low confidence
US 4,417,132Apparatus for heating electrically conductive flowable media
Term ended
Term ended no later than Nov 22, 2003 · Low confidence
Term endedTerm ended no later than Nov 22, 2003Low confidence
US 4,434,357Apparatus for heating electrically conductive flowable media
Term ended
Term ended no later than Feb 28, 2004 · Low confidence
Term endedTerm ended no later than Feb 28, 2004Low confidence
10 of 40 patents shown.
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