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Charles Frederick CARDER
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Dallas, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Downhole tool consistent fluid control
Patent number
9,719,325
Issue date
Aug 1, 2017
Halliburton Energy Services, Inc.
Charles Frederick Carder
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotational wellbore test valve
Patent number
9,428,990
Issue date
Aug 30, 2016
Halliburton Energy Services, Inc.
Paul David Ringgenberg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pump through circulating and or safety circulating valve
Patent number
8,973,663
Issue date
Mar 10, 2015
Halliburton Energy Services, Inc.
Paul David Ringgenberg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotational test valve with tension reset
Patent number
8,662,180
Issue date
Mar 4, 2014
Halliburton Energy Services, Inc.
Paul David Ringgenberg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotational wellbore test valve
Patent number
8,607,875
Issue date
Dec 17, 2013
Halliburton Energy Services, Inc.
Paul David Ringgenberg
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE TOOL CONSISTENT FLUID CONTROL
Publication number
20160053573
Publication date
Feb 25, 2016
Halliburton Energy Services, Inc.
Charles Frederick Carder
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATIONAL WELLBORE TEST VALVE
Publication number
20150129232
Publication date
May 14, 2015
Halliburton Energy Services, Inc.
Paul David RINGGENBERG
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATIONAL TEST VALVE WITH TENSION RESET
Publication number
20120181021
Publication date
Jul 19, 2012
PAUL DAVID RINGGENBERG
E21 - EARTH DRILLING MINING
Information
Patent Application
ROTATIONAL WELLBORE TEST VALVE
Publication number
20120181018
Publication date
Jul 19, 2012
PAUL DAVID RINGGENBERG
E21 - EARTH DRILLING MINING
Information
Patent Application
PUMP THROUGH CIRCULATING AND OR SAFETY CIRCULATING VALVE
Publication number
20120048564
Publication date
Mar 1, 2012
PAUL DAVID RINGGENBERG
E21 - EARTH DRILLING MINING