Patents by Inventor Winfried Sturm

Winfried Sturm 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).

  • Patent number: 4175140
    Abstract: The automatic filling and packaging of foodstuffs under aseptic to low-bacterial count conditions is accomplished by disinfecting a packaging material for at least one second by means of high-intensity ultraviolet radiation, generated by a high-current, low-pressure mercury discharge with a current density of more than 1 A/cm.sup.2 and a mercury pressure of 5.times.10.sup.-3 to 5.times.10.sup.-1 Torr, wherein the spectral radiation intensity of the 253.7 nm line of the ultraviolet radiation UV on the packaging material 1, 2, 3 is set to at least 0.05 W/cm.sup.2.
    Type: Grant
    Filed: July 26, 1977
    Date of Patent: November 20, 1979
    Assignees: Aluminiumwerke AG. Rorschach, BBC Brown Boveri & Company Limited
    Inventors: Robert Bachmann, Winfried Sturm
  • Patent number: 4035981
    Abstract: A method of aseptically packaging pre-sterilized foodstuffs is described. The method used `dry` radiation methods for sterilizing packaging material in an aseptic workspace either before or after construction of the container as such. The internal surfaces of the packaging material supplied to the workspace are coated with a radiation resistant lacquer. After sterilization the containers are filled with food such as milk or yoghurt and heat sealed.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: July 19, 1977
    Assignee: Alcan Research and Development Limited
    Inventors: Johannes Braun, Winfried Sturm