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Reisterstown, MD, 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
Patents Applications
last 30 patents
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
Modular pre-fabricated island for vehicular refueling
Publication number
20120312386
Publication date
Dec 13, 2012
HOLYSTONE USA, LLC
R. Keith Barker
B60 - VEHICLES IN GENERAL
Trademark
last 30 trademarks
Information
Trademark
76713925 - EARTH I.V.
Serial number
76713925
Registration number
4586346
Filing date
Apr 12, 2013
HOLYSTONE USA, LLC
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
76707451 - EARTH I.V.
Serial number
76707451
Filing date
Apr 29, 2011
HOLYSTONE USA, LLC
40 - Treatment of materials