Patents by Inventor Irma Marita Rauser

Irma Marita Rauser 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).

  • Helical bifilar wound ultra-violet sterilization for tube shaped material
    Patent number: 3994686
    Abstract: Apparatus for the sterilization of a tube of packages which employs a stationary source of ultra-violet rays inside the tube of material which has a cross-sectional shape substantially the same as that of the tube.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: November 30, 1976
    Assignee: AB Ziristor
    Inventors: Jan Axel Ingemar Rauser, Irma Marita Rauser
  • Method and apparatus for the presterilization of packing machines
    Patent number: 3970426
    Abstract: Method and apparatus to pre-sterilize the filling. tube of a packaging machine which produces filled flexible packages. The pre-sterilization is carried out by generating ozone within the confines of a tubular web of packaging material and recirculating the ozone through the filling tube while generating more ozone for sufficient time to pre-sterilize the machine.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: July 20, 1976
    Assignee: Deering Milliken Research Corporation
    Inventors: Sven Olof Soren Stark, Jan Axel Ingemar Rauser, Irma Marita Rauser