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Argus Machine Co. Ltd.

Also on record
Records under this name other than the patents Argus Machine Co. Ltd. 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.

Back to Argus Machine Co. Ltd.

PatentTitleStatus Expires Confidence
US 7,275,564Pigging ball valve
Term ended
Term ended Dec 8, 2024 · From the USPTO record
Term endedTerm ended Dec 8, 2024From the USPTO record
US 6,955,106Thread making device
Term ended
Term ended May 13, 2024 · From the USPTO record
Term endedTerm ended May 13, 2024From the USPTO record
US 6,874,757Pigging ball valve
Term ended
Term ended Apr 21, 2023 · From the USPTO record
Term endedTerm ended Apr 21, 2023From the USPTO record
US 6,772,786Self-contained hydraulic ESD system
Term ended
Term ended Oct 6, 2022 · From the USPTO record
Term endedTerm ended Oct 6, 2022From the USPTO record
US 6,276,135Self-contained hydraulic ESD system
Term ended
Term ended Apr 29, 2019 · From the USPTO record
Term endedTerm ended Apr 29, 2019From the USPTO record
US 6,199,462Method of repairing cylindrical workpieces and lathe therefor
Term ended
Term ended Jul 28, 2018 · From the USPTO record
Term endedTerm ended Jul 28, 2018From the USPTO record
US 6,079,074Pipe pig injector
Term ended
Term ended Feb 14, 2017 · From the USPTO record
Term endedTerm ended Feb 14, 2017From the USPTO record
US 6,409,843Method of injecting pigs into a pipe
Term ended
Term ended Feb 14, 2017 · From the USPTO record
Term endedTerm ended Feb 14, 2017From the USPTO record
US 5,554,834Pressure switch
Term ended
Term ended no later than Sep 10, 2016 · Low confidence
Term endedTerm ended no later than Sep 10, 2016Low confidence
US 5,667,027Drill stabilizer
Formerly held
Term ended
Term ended no later than Sep 16, 2017 · Low confidence
Term endedTerm ended no later than Sep 16, 2017Low confidence
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
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