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Khudenko Engineering, Inc.

Also on record
Records under this name other than patents Khudenko Engineering, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Khudenko Engineering, Inc.

PatentTitleStatus Expires Confidence
US 7,553,418Method for water filtration
Lapsed on the fee record
Ended Jun 30, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jun 30, 2013From the USPTO record
US 5,514,277Treatment of wastewater and sludges
Term ended
Term ended no later than May 7, 2016 · Low confidence
Term endedTerm ended no later than May 7, 2016Low confidence
US 5,514,278Counterflow microbiological processes
Term ended
Term ended no later than May 7, 2016 · Low confidence
Term endedTerm ended no later than May 7, 2016Low confidence
US 5,616,241Treatment of wastewater and sludges
Term ended
Term ended no later than Apr 1, 2017 · Low confidence
Term endedTerm ended no later than Apr 1, 2017Low confidence
US 5,698,102Lamellar separator
Term ended
Term ended no later than Dec 16, 2017 · Low confidence
Term endedTerm ended no later than Dec 16, 2017Low confidence
US 5,798,043Control of anaerobic wastewater treatment
Term ended
Term ended no later than Aug 25, 2018 · Low confidence
Term endedTerm ended no later than Aug 25, 2018Low confidence
US 5,846,424Biological treatment of materials
Term ended
Term ended no later than Dec 8, 2018 · Low confidence
Term endedTerm ended no later than Dec 8, 2018Low confidence
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