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Boyd Black
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Provo, UT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drill bit with a retained jack element
Patent number
8,950,517
Issue date
Feb 10, 2015
Schlumberger Technology Corporation
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Grant
Water closet
Patent number
7,984,520
Issue date
Jul 26, 2011
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic energy storage with reinforced layer
Patent number
7,908,851
Issue date
Mar 22, 2011
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Drill bit with a retained jack element
Patent number
7,753,144
Issue date
Jul 13, 2010
Schlumberger Technology Corporation
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic energy storage with reinforced layer
Patent number
7,526,918
Issue date
May 5, 2009
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Retaining element for a jack element
Patent number
7,506,706
Issue date
Mar 24, 2009
David R. Hall
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Human Waste System
Publication number
20120000014
Publication date
Jan 5, 2012
David R. Hall
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
DRILL BIT WITH A RETAINED JACK ELEMENT
Publication number
20110048811
Publication date
Mar 3, 2011
Schlumberger Technology Corporation
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Application
Water Closet
Publication number
20100005584
Publication date
Jan 14, 2010
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Application
Sewer System
Publication number
20090218264
Publication date
Sep 3, 2009
David R. Hall
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Human Waste System
Publication number
20090217448
Publication date
Sep 3, 2009
David R. Hall
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Hydraulic Energy Storage with reinforced layer
Publication number
20090007980
Publication date
Jan 8, 2009
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Application
Hydraulic Energy Storage with Reinforced Layer
Publication number
20090007554
Publication date
Jan 8, 2009
David R. Hall
B60 - VEHICLES IN GENERAL
Information
Patent Application
Retaining Element for a Jack Element
Publication number
20080011521
Publication date
Jan 17, 2008
David R. Hall
E21 - EARTH DRILLING MINING
Information
Patent Application
Retaining Element for a Jack Element
Publication number
20080011522
Publication date
Jan 17, 2008
David R. Hall
E21 - EARTH DRILLING MINING