Patents by Inventor Walter J. Aster

Walter J. Aster 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).

  • Variable parietal/visceral pleural coupling
    Patent number: 8062315
    Abstract: A variable parietal/visceral pleural coupling may be utilized to create an air-tight seal in the pleural space between the parietal and visceral pleura. This coupling may be utilized to create a seal for other implantable devices.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: November 22, 2011
    Assignee: Portaero, Inc.
    Inventors: Walter J. Aster, Asia Chang, Don Tanaka
  • VARIABLE PARIETAL/VISCERAL PLEURAL COUPLING
    Publication number: 20080287973
    Abstract: A variable parietal/visceral pleural coupling may be utilized to create an air-tight seal in the pleural space between the parietal and visceral pleura. This coupling may be utilized to create a seal for other implantable devices.
    Type: Application
    Filed: February 12, 2008
    Publication date: November 20, 2008
    Applicant: PORTAERO, INC.
    Inventors: Walter J. Aster, Asia Chang, Don Tanaka