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Clapper Valve
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Publication number 20200393054
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Publication date Dec 17, 2020
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S.P.M. Flow Control, Inc.
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Nadiya Fuller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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LARGE BORE PLUG VALVE
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Publication number 20200256149
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Publication date Aug 13, 2020
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S.P.M. Flow Control, Inc.
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Brian C. WITKOWSKI
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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CLAPPER VALVE
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Publication number 20190128435
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Publication date May 2, 2019
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S.P.M. Flow Control, Inc.
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Nadiya Fuller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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LARGE BORE PLUG VALVE
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Publication number 20170370480
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Publication date Dec 28, 2017
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S.P.M. Flow Control, Inc.
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Brian C. Witkowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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CLAPPER VALVE
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Publication number 20170234441
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Publication date Aug 17, 2017
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S.P.M. Flow Control, Inc.
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Nadiya Fuller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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PLUG VALVE HAVING PRELOADED SEAL SEGMENTS
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Publication number 20140048734
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Publication date Feb 20, 2014
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S.P.M. Flow Control, Inc.
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Brian Witkowski
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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FLOWLINE FLAPPER VALVE
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Publication number 20130000745
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Publication date Jan 3, 2013
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S.P.M. Flow Control, Inc.
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Brian C. Witkowski
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Flowline Flapper Valve
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Publication number 20100263744
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Publication date Oct 21, 2010
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Weir SPM, Inc.
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Brian C. Witkowski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...