Patents by Inventor Peter Lofgrer

Peter Lofgrer 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).

  • Volume-variable container for fluids
    Patent number: 4674655
    Abstract: A variable-volume container for fluids that is formed of a body portion and two end portions. The body portion comprises four rigid walls with each wall being joined to the next adjacent wall by a longitudinal fold line to permit collapsing of the container. The end portions of the container, each comprise, four sets of two triangular portions joined at fold lines to one another and to the walls of the body portion to permit the container to collapse without mechanical strain and substantial longitudinal motion of the end portions.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: June 23, 1987
    Assignee: Steridose Systems AB
    Inventors: Peter Lofgrer, Nils Arthun