Patents by Inventor Heinz Waldner

Heinz Waldner 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).

  • Process and apparatus for the genetic transformation of cells
    Patent number: 5976880
    Abstract: In a tubular pressure chamber a drop of a DNA solution with gold particles suspended therein is atomized at the opening of a cannula by a pressure impact. The fog droplets containing the gold particles and the DNA entrained by them, are pressured by the pressure impact through a restriction at the end of the pressure chamber and thereby accelerated and focused. They subsequently traverse in free flight an evacuated specimen chamber and impact in a narrowly limited target area with a predetermined pulse, cells fixed on a holder, thereby penetrating them.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: November 2, 1999
    Assignee: Novartis Finance Corporation
    Inventors: Christof Sautter, Heinz Waldner, Ingo Potrykus
  • Process and apparatus for the genetic transformation of cells
    Patent number: 5877023
    Abstract: In a tubular pressure chamber a drop of a DNA solution with gold particles suspended therein is atomized at the opening of a cannula by a pressure impact. The fog droplets containing the gold particles and the DNA entrained by them, are pressured by the pressure impact through a restriction at the end of the pressure chamber and thereby accelerated and focused. They subsequently traverse in free flight an evacuated specimen chamber and impact in a narrowly limited target area with a predetermined pulse, cells fixed on a holder, thereby penetrating them.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 2, 1999
    Assignees: Novartis Finance Corp., Schweizerische Eidgenossenschaft Eidgenossische Technische Hochschule (ETH)
    Inventors: Christof Sautter, Heinz Waldner, Ingo Potrykus