US Patent 7931216 Double valve set
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Patent abstract
A double valve set includes a housing, a first nozzle and a second nozzle. The housing includes an outlet tube formed thereon. The first nozzle is disposed in the outlet tube. When used alone, the first nozzle is adapted to transfer the natural gas. The second nozzle is detachably connected to the outlet tube. The second nozzle can be used to transfer the tanked gas without having to remove the first nozzle from the outlet tube.
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Patent Inventor Names
Kiosky Chung0
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Official Website
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US Patent 07931216 Double valve set US Patent 7931216 Double valve set
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Patent Number
079312160
Patent Number
79312160
Edits on 26 Sep, 2022
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Patent Jurisdiction
Patent Number
079312160
Date of Patent
April 26, 2011
0Patent Application Number
121328310
Date Filed
June 4, 2008
0Official Website
Patent Primary Examiner
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US Patent 07931216 Double valve set
Infobox
Is a
Patent jurisdiction
Patent number
07931216
Date of patent
April 26, 2011
Patent application number
12132831
Date Filed
June 4, 2008
Patent primary examiner
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