The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2014
Filed:
Mar. 30, 2007
Charles R. Atlas, Coto de Caza, CA (US);
Peter L. Bliss, Prior Lake, MN (US);
Robert W. Murdoch, Kennesaw, GA (US);
Scott C. Halperin, Orange, CA (US);
Charles R. Atlas, Coto de Caza, CA (US);
Peter L. Bliss, Prior Lake, MN (US);
Robert W. Murdoch, Kennesaw, GA (US);
Scott C. Halperin, Orange, CA (US);
Ric Investments, LLC, Wilmington, DE (US);
Abstract
A portable oxygen concentrator includes a pressure swing absorption system defined by a relatively rigid housing adapted to generate a flow of oxygen enriched gas and a battery adapted to provide power to the pressure swing absorption system. The oxygen concentrator has a total weight of less than about 10 lbs, has a maximum flow of 100% Oequivalent gas of about 0.9 lpm, has a total volume less than about 800 in, and gas a battery life of at least about 8 hours. The present invention also using a liquefaction or transfill system in combination with such an oxygen concentrator.