Patents by Inventor Michael A. Ruddy

Michael A. Ruddy 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).

  • Cold weather breathing device
    Patent number: 6807964
    Abstract: A cold weather breathing device and method. Exhaled air warmed by the lungs of a user is flowed into contact with a heat exchange medium to heat the heat exchange medium. The heat exchange medium is positioned in a hollow body adjacent the chest and under cold weather outer clothing of the user. Upon inhaling, cold outside air is contacted with the heat exchange medium so that the inhaled air is heated by the heat exchange medium.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: October 26, 2004
    Inventor: Michael A. Ruddy