Patents by Inventor Andrezj Klimaszewski

Andrezj Klimaszewski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Portable oxygen concentrator
    Patent number: 6949133
    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 22, 2004
    Date of Patent: September 27, 2005
    Assignee: AirSep Corporation
    Inventors: Norman R. McCombs, Robert E. Casey, Michael A. Chimiak, Andrezj Klimaszewski
  • 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