Patents by Inventor Lambert Hans

Lambert Hans 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).

  • Filtering device and the use thereof
    Patent number: 5320096
    Abstract: A filtering device for connection to the respiratory tract of a person and comprising a cover (1) enclosing a heat and moisture exchanging material and a bacteria absorbing filter which consists of a folded, air-permeable sheet material. The heat and moisture exchanging material is formed as strips (9) inserted in the pleats of the sheet material (8).
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: June 14, 1994
    Assignee: Gibeck Respiration AB
    Inventor: Lambert Hans