Patents by Inventor Kaare Haahjen

Kaare Haahjen 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).

  • Apparatus for emptying bulk material from a storage chamber
    Patent number: 4165202
    Abstract: Apparatus for emptying bulk material from a storage chamber comprising a rake in the storage chamber for transporting material in one direction therein for external discharge from the chamber and a guide beam in the chamber extending transversely and supporting the rake means for slidable movement thereon. The guide beam is supported for vertical movement and comprises a plurality of telescopic sections for adapting the length of the guide beam to varying width of the storage chamber.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: August 21, 1979
    Assignee: Haahjem Mekanishe A/S
    Inventor: Kaare Haahjen