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US Patent 8677998 Oxygen concentrator

Patent 8677998 was granted and assigned to Teijin Pharma on March, 2014 by the United States Patent and Trademark Office.

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Current Assignee
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Teijin Pharma
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
86779980
Patent Inventor Names
Hisashi Kiriake0
Yuki Yamaura0
Date of Patent
March 25, 2014
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Patent Application Number
135213930
Date Filed
January 7, 2011
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Patent Citations Received
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US Patent 11915570 System and method for concentrating gas
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US Patent D1041658 Oxygen concentrating apparatus
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US Patent 11931689 System and method for concentrating gas
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Patent Primary Examiner
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John Bastianelli
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Patent abstract

The present invention provides an oxygen concentrator which allows the flow rate setting to be changed safely and securely by the patient using a remote control device, the oxygen concentrator comprising a control means which does not allow the operation of the flow rate setting change button unless the remote control device receives the information on the flow rate setting value of the oxygen-enriched gas supplied by the current oxygen concentrator main body.

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