Patents by Inventor David John Farrar

David John Farrar 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).

  • Step-down skeletal muscle energy conversion system
    Patent number: 5984857
    Abstract: This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle powered system provides completely implantable circulatory support as an alternative to cardiac transplantation, with a quality of life relatively free from external batteries, transcutaneous energy transmission and other electromechanical hardware.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: November 16, 1999
    Assignee: Thoratec Laboratories Corporation
    Inventors: Keith Evan Buck, David John Farrar, Robert Joseph Harvey, Philip Litwak, John Robert Rueff
  • Step-down skeletal muscle energy conversion system
    Patent number: 5701919
    Abstract: This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle powered system provides completely implantable circulatory support as an alternative to cardiac transplantation, with a quality of life relatively free from external batteries, transcutaneous energy transmission and other electromechanical hardware.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 30, 1997
    Assignee: Thoratec Laboratories Corporation
    Inventors: Keith Evan Buck, David John Farrar, Robert Joseph Harvey, Philip Litwak, John Robert Rueff
  • Step-down skeletal muscle energy conversion method
    Patent number: 5653676
    Abstract: This invention provides a simple skeletal muscle linear pull energy convertor which can harness the maximal amount of muscle power for a wide variety of implantable medical devices, including the full range of circulatory support devices. The muscle powered system provides completely implantable circulatory support as an alternative to cardiac transplantation, with a quality of life relatively free from external batteries, transcutaneous energy transmission and other electromechanical hardware.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 5, 1997
    Assignee: Thoratec Laboratories Corporation
    Inventors: Keith Evan Buck, David John Farrar, Robert Joseph Harvey, Philip Litwak, John Robert Rueff