06651658 is referenced by 161 patents and cites 3 patents.

The present invention is directed to a portable oxygen concentrator system adapted to be transported by a user. The portable oxygen concentrator system includes an energy source, an air separation device powered by the energy source and adapted to convert ambient air into concentrated oxygen gas for the user, at least one sensor adapted to sense one or more conditions indicative of the oxygen gas needs of the user, and a control unit interrelated with the air separation device and the at least one sensor to control the air separation device so as to supply an amount of oxygen gas equivalent to the oxygen gas needs of the user based at least in part upon the one or more conditions sensed by the at least one sensor.

Title
Portable oxygen concentration system and method of using the same
Application Number
9/632099
Publication Number
6651658 (B1)
Application Date
August 3, 2000
Publication Date
November 25, 2003
Inventor
James A Bixby
La Jolla
CA, US
Robert A Schneider
Del Mar
CA, US
Edward A Radtke
El Cajon
CA, US
Theodore B Hill
San Diego
CA, US
Agent
Procopio Cory Hargreaves & Savitch
US
Assignee
Teijin
US
SeQual Technologies
CA, US
IPC
A61M 16/00
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