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Richard C. Hughes
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Santa Fe, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Valves with multi-directional ball check
Patent number
10,436,335
Issue date
Oct 8, 2019
Richard C. Hughes
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Bidirectional sleeved/plug ball check valve
Patent number
8,584,705
Issue date
Nov 19, 2013
Richard C Hughes
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Methods of use & valves with multi-directional ball check
Publication number
20200088311
Publication date
Mar 19, 2020
James C. Hertenberger
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Valves With Multi-Directional Ball Check
Publication number
20170138491
Publication date
May 18, 2017
Richard C. Hughes
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Valves with multi-directional ball check
Publication number
20150129043
Publication date
May 14, 2015
Richard C. Hughes
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Bidirectional Sleeved/Plug Ball Check Valve
Publication number
20110253922
Publication date
Oct 20, 2011
Richard C. Hughes
G01 - MEASURING TESTING
Information
Patent Application
Gage Cock Ball Valve
Publication number
20090056438
Publication date
Mar 5, 2009
Richard C. Hughes
G01 - MEASURING TESTING