Patents Assigned to Caldyne, Inc.
  • Spirometer, display and method
    Patent number: 7172557
    Abstract: A spirometer coupled to a manual resuscitator. An air tube in the spirometer has a converging section, a laminar flow section and a pressure recovery section. A microcontroller and a display of expiratory flow parameters is provided.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: February 6, 2007
    Assignee: Caldyne, Inc.
    Inventor: Frederick A. Parker