Engineering Measurements Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4905522 Extreme temperature flow meterExpiredAug 19, 87Mar 06, 90[G01F]
4886420 Protected flow meter rotor bearingExpiredJun 10, 88Dec 12, 89[F03B]
4785245 Rapid pulse NMR cut meterExpiredSep 12, 86Nov 15, 88[G01R]
4705212 Method and apparatus for managing steam systemsExpiredDec 27, 83Nov 10, 87[F16T]
4703659 Vortex shedding flow meter with noise suppressing and signal enhancing meansExpiredOct 18, 85Nov 03, 87[G01F]
4699012 Vortex shedding flow meter with stress concentration signal enhancementExpiredOct 18, 85Oct 13, 87[G01F]
4679947 Method and apparatus for measuring steam qualityExpiredJul 16, 85Jul 14, 87[G01K, G01N]

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