Patents by Inventor Ole Stig Ravn

Ole Stig Ravn 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: 3946914
    Abstract: An arrangement for securing a nozzle to a container comprising a flange arranged at the inner end of the nozzle, and a piece of a metal sheet wherein a hole is provided, the delivery end of said nozzle extending through said hole and said flange abutting said metal sheet around said hole, the circumferential portion of said piece of metal sheet having a width such as to form a curl around an edge of the container defining an opening therein, a thin lip being provided along the outer circumference of the flange, said lip having a width such as to form a curl around the end of the container between the container and the curl of the piece of metal sheet.
    Type: Grant
    Filed: November 21, 1974
    Date of Patent: March 30, 1976
    Assignee: Stig Ravn A/S
    Inventor: Ole Stig Ravn
  • Patent number: D243301
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: February 8, 1977
    Assignee: Stig Ravn A/S
    Inventor: Ole Stig Ravn