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NL Technologies, Ltd.

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Records under this name other than patents NL Technologies, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,491,283Sanitary drain valve design
Term ended
Term ended Mar 9, 2021 · From the USPTO record
Term endedTerm ended Mar 9, 2021From the USPTO record
US 6,601,823Sanitary drain valve design
Term ended
Term ended Mar 9, 2021 · From the USPTO record
Term endedTerm ended Mar 9, 2021From the USPTO record
US 6,133,022Automated sample extractor or feeder/inoculator for bioreactors and similar equipment
Lapsed on the fee record
Ended Oct 17, 2012 · From the USPTO record
Lapsed on the fee recordEnded Oct 17, 2012From the USPTO record
US 6,821,773Drainable ferrule valve design
Term ended
Term ended Jul 9, 2012 · From the USPTO record
Term endedTerm ended Jul 9, 2012From the USPTO record
US 7,389,792Dip tube valve assembly
Lapsed on the fee record
Ended Jun 24, 2012 · From the USPTO record
Lapsed on the fee recordEnded Jun 24, 2012From the USPTO record
US 7,241,422Housing for receptable filling
Lapsed on the fee record
Ended Jul 10, 2011 · From the USPTO record
Lapsed on the fee recordEnded Jul 10, 2011From the USPTO record
US 6,532,981Dip tube valve assembly
Lapsed on the fee record
Ended Mar 18, 2011 · From the USPTO record
Lapsed on the fee recordEnded Mar 18, 2011From the USPTO record
US 6,423,548Housing for receptacle filling
Lapsed on the fee record
Ended Jul 23, 2010 · From the USPTO record
Lapsed on the fee recordEnded Jul 23, 2010From the USPTO record
US 6,345,640Dip tube valve assembly
Lapsed on the fee record
Ended Feb 12, 2010 · From the USPTO record
Lapsed on the fee recordEnded Feb 12, 2010From the USPTO record
US 6,916,012Sanitary Drain Valve Design
Lapsed on the fee record
Ended Jul 12, 2009 · Low confidence
Lapsed on the fee recordEnded Jul 12, 2009Low confidence
10 of 14 patents shown.
Pro members see all 14.
Pro members: see all 14 patents
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