NELES CONTROLS OY

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6203895 Wear resisting parts for process valvesExpiredApr 01, 99Mar 20, 01[B32B]
6131609 Method for surveying the condition of a control valve, and a valve apparatusExpiredDec 04, 98Oct 17, 00[F16K, G01M]
6085787 Control valveExpiredApr 21, 99Jul 11, 00[F16K]
5748469 Method and apparatus for detecting a fault of a control valve assembly in a control loopExpiredAug 20, 96May 05, 98[G05B]

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