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Chang-Fei M. Yang
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Arlington, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Plunger packing with wedge seal having extrusion recess
Patent number
9,249,797
Issue date
Feb 2, 2016
S.P.M. Flow Control, Inc.
Joseph H. Byrne
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
PLUNGER PACKING WITH WEDGE SEAL HAVING EXTRUSION RECESS
Publication number
20120152111
Publication date
Jun 21, 2012
S.P.M. Flow Control, Inc.
Joseph H. Byrne
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...