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Valve with pressure differential seating
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Patent number 11,655,900
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Issue date May 23, 2023
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Oil States Energy Services, L.L.C.
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Bob Mcguire
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of seating a valve seal
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Patent number 11,473,859
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Issue date Oct 18, 2022
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Schaeffler Technologies AG & Co. KG
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Zheng Lou
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F28 - HEAT EXCHANGE IN GENERAL
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Control valve
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Patent number 11,174,954
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Issue date Nov 16, 2021
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Yamada Manufacturing Co., Ltd.
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Akifumi Ozeki
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Valve core
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Patent number 10,975,974
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Issue date Apr 13, 2021
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TAIZHOU RIVHOME ECO TECH CO., LTD.
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Jianlin Zhu
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Pressure energized seat for plug valve
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Patent number 10,808,850
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Issue date Oct 20, 2020
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Mueller International, LLC
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Ashraf Abouelleil
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Double-piston-effect valve
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Patent number 10,072,763
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Issue date Sep 11, 2018
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FORTUNE MFG. CO., LTD.
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Jerome Chin Lung Chen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High pressure ball valve and packing
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Patent number 9,500,285
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Issue date Nov 22, 2016
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Mogas Industries, Inc.
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Alfred Lewis Anderson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High pressure ball valve
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Patent number 9,249,889
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Issue date Feb 2, 2016
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Mogas Industries, Inc.
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Alfred Lewis Anderson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve sealing arrangements and methods
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Patent number 8,490,945
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Issue date Jul 23, 2013
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Swagelok Company
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Branden W. Keeper
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve with seat assembly
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Patent number 6,648,001
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Issue date Nov 18, 2003
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World Wide Oldfield Machine, Inc.
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Vijay R. Chatufale
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary valve with seat assembly
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Patent number 6,345,805
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Issue date Feb 12, 2002
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Vijay R. Chatufale
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary plug valve with seat seal
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Patent number 5,234,193
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Issue date Aug 10, 1993
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Parker-Hannifin Corporation
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Leonard D. Neal
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Seal arrangement
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Patent number 4,979,756
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Issue date Dec 25, 1990
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AVT Anlagen- und Verfahrenstechnik GmbH
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Wolfgang Krambrock
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Valve
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Patent number 4,609,177
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Issue date Sep 2, 1986
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Brasscraft Manufacturing Company
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Larry G. Turner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve
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Patent number 4,562,994
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Issue date Jan 7, 1986
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Brass-Craft Manufacturing Company
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Robert D. MacDonald
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve
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Patent number 4,489,915
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Issue date Dec 25, 1984
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International Telephone & Telegraph Corporation
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Michael D. West
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sluice valve arrangement
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Patent number 4,457,488
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Issue date Jul 3, 1984
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Japan Oxygen Co., Ltd.
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Hiroshi Ishii
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plug valve
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Patent number 4,130,129
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Issue date Dec 19, 1978
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Jack H. Pollock
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve with roller
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Patent number 4,019,529
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Issue date Apr 26, 1977
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Hykon-Patent Aktiebolag
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Per Torsten Faxen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...