Patents by Inventor Pahr O. A. Holmgren

Pahr O. A. Holmgren 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: 4299074
    Abstract: The invention relates to a method and an apparatus for compressing voluminous material easy to compress and for storing and transporting the material in said compressed state. According to the invention, thus, there are provided a bottom and two opposed vertical walls capable to approach each other for compressing the material between the walls. When the material has been compressed to the desired volume the material is transferred to a storage or transport crate, which is located with its floor beneath the bottom and with its sides outside of and adjacent the walls. When the material is being discharged between the walls, it expands and presses against the side of the crate and an end side connected to the crate whereby the crate is moved with the material while being successively filled. When the material is being compressed it is pressed downward by a belt acting from above on the material.
    Type: Grant
    Filed: November 14, 1979
    Date of Patent: November 10, 1981
    Assignees: AB Maskinarbeten, Gullfiber AB
    Inventors: Ingvar H. Johansson, Per-Olof Sanden, Pahr O. A. Holmgren, Helle G. Johansson