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Lee Shek
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Header ring for reciprocating pump
Patent number
9,845,801
Issue date
Dec 19, 2017
Fast Group-Houston, Inc.
Lee Shek
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Downhole sealing assembly
Patent number
9,556,700
Issue date
Jan 31, 2017
CDI ENERGY PRODUCTS
Lee Shek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packing seal for reciprocating pump
Patent number
9,016,693
Issue date
Apr 28, 2015
FAST Group-Houston Inc.
Lee Shek
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE SEALING ASSEMBLY
Publication number
20140262209
Publication date
Sep 18, 2014
CDI Energy Products
Lee Shek
E21 - EARTH DRILLING MINING