Patents Represented by Attorney, Agent or Law Firm Ronald S. Kareken, Esq.
  • Portable oxygen concentrator
    Patent number: 6764534
    Abstract: A compact and highly portable combination pressure swing adsorption apparatus and product gas conservation device for medical use, to produce efficiently a gas with a high concentration of oxygen and to deliver the oxygen concentrated gas to a user at selectable times and in selectable doses.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: July 20, 2004
    Assignee: AirSep Corporation
    Inventors: Norman R. McCombs, Robert E. Casey, Michael A. Chimiak, Andrezj Klimaszewski
  • Multiple bed pressure swing adsorption method and apparatus
    Patent number: 6558451
    Abstract: A compact multiple bed pressure swing adsorption apparatus to produce a high concentration of oxygen efficiently and at minimum noise levels by using inactive pressurized adsorber beds to purge adsorbed nitrogen.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: May 6, 2003
    Assignee: AirSep Corporation
    Inventors: Norman R. McCombs, Robert E. Casey