Patents by Inventor Steve Bordewick

Steve Bordewick 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).

  • Nasal cannula with inflatable plenum chamber
    Patent number: 6431172
    Abstract: A nasal cannula for delivering a breathing gas includes a rigid support adapted for placement at least partly beneath the nose of a user, an inflatable plenum chamber mounted on the rigid support, and a pair of nares elements mounted on the inflatable plenum chamber for insertion into the nostrils of the user. The inflatable plenum chamber includes a flexible membrane mounted on the rigid support. The flexible membrane can be preformed to define laterally spaced humps for mounting individual nares element and can further be pleated. Alternatively, a pair of inflatable plenum chambers can be separately mounted on the rigid support.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: August 13, 2002
    Assignee: Mallinckrodt Inc.
    Inventor: Steve Bordewick