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R. Keith Barker
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Walhalla, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compressed and liquified natural gas storage and dispensing system
Patent number
10,539,271
Issue date
Jan 21, 2020
HOLYSTONE USA, INC.
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Monolithically poured concrete CNG tank with internal support columns
Patent number
10,513,082
Issue date
Dec 24, 2019
HOLYSTONE USA, INC.
R. Keith Barker
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Fuel island redundant monitoring system
Patent number
10,407,294
Issue date
Sep 10, 2019
HOLYSTONE USA, INC.
R. Keith Barker
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Compressed natural gas storage and dispensing system
Patent number
10,145,512
Issue date
Dec 4, 2018
HOLYSTONE USA, INC.
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Compressed natural gas storage and dispensing system
Patent number
9,951,905
Issue date
Apr 24, 2018
HOLYSTONE USA, LLC
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Compressed and liquified natural gas storage and dispensing system
Patent number
9,657,901
Issue date
May 23, 2017
HOLYSTONE USA, INC.
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Compressed natural gas storage and dispensing system
Patent number
9,360,161
Issue date
Jun 7, 2016
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Method and apparatus for dispensing motor vehicle fuel at unattende...
Patent number
7,096,895
Issue date
Aug 29, 2006
R. Keth Barker
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
CNG Storage Tank System with Secondary Containment and Monitoring
Publication number
20200292129
Publication date
Sep 17, 2020
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Compressed Natural Gas Storage and Dispensing System
Publication number
20180238494
Publication date
Aug 23, 2018
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Compressed and Liquified Natural Gas Storage and Dispensing System
Publication number
20170219167
Publication date
Aug 3, 2017
Holystone USA, LLC
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Fuel Island Redundant Monitoring System
Publication number
20170029265
Publication date
Feb 2, 2017
R. Keith Barker
B60 - VEHICLES IN GENERAL
Information
Patent Application
Monolithically Poured Concrete CNG Tank with Internal Support Columns
Publication number
20160347007
Publication date
Dec 1, 2016
R. Keith Barker
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Compressed Natural Gas Storage and Dispensing System
Publication number
20160102810
Publication date
Apr 14, 2016
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Concrete CNG Tank and Method of Construction
Publication number
20150114976
Publication date
Apr 30, 2015
R. Keith Barker
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Compressed and Liquified Natural Gas Storage and Dispensing System
Publication number
20140338370
Publication date
Nov 20, 2014
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Fuel Island Redundant Monitoring System
Publication number
20140324217
Publication date
Oct 30, 2014
R. Keith Barker
B60 - VEHICLES IN GENERAL
Information
Patent Application
Compressed Natural Gas Storage and Dispensing System
Publication number
20140202585
Publication date
Jul 24, 2014
R. Keith Barker
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
In-situ method and apparatus for decontaminating sites contaminated...
Publication number
20130256220
Publication date
Oct 3, 2013
Holystone LISA, LLC
R. Keith Barker
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
Method and apparatus for dispensing motor vehicle fuel at unattende...
Publication number
20040187951
Publication date
Sep 30, 2004
R. Keith Barker
B60 - VEHICLES IN GENERAL