Patents by Inventor Michael Henigman

Michael Henigman 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).

  • Oxygen mask assembly
    Patent number: 6718979
    Abstract: An oxygen mask assembly including an oxygen dilutor assembly with air inlet apertures located in a top wall thereof for diluting the oxygen flowing therethrough. In one embodiment, the mask assembly additionally includes an air reservoir bag assembly, a one-way inhalation valve for maintaining continuous positive airway pressure in the mask and a pressure valve on the mask for adjusting the air pressure in the mask.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: April 13, 2004
    Assignee: DHD Healthcare Corporation
    Inventors: Danny Britt, Michael Henigman, Kurt Meyer