Abstract: Described herein are various embodiments of an oxygen concentrator system In some embodiment, an oxygen concentrator system includes improved charging and battery control circuits.
Type:
Grant
Filed:
September 7, 2010
Date of Patent:
December 10, 2013
Assignee:
Inova Labs, Inc.
Inventors:
William R. Wilkinson, Allan Sten Westersten, Alaa Hassan