Patents by Inventor Leif Carpman

Leif Carpman 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).

  • Method for the feed of cylindrical objects to a working machine
    Patent number: 4098383
    Abstract: Method of charging a chute for the feed of objects to a machine using a casing which has a band shaped frame forming a wall surrounding the objects and two detachable end lids closing the frame at lateral edges opposite each other. The frame at one point on its circumference is pliable apart. The method comprises removing one end lid, placing the casing in an opening in the side of the chute, and removing the other end lid. The opening in the chute is then closed and the frame is plied apart to release the objects in the chute.
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: July 4, 1978
    Inventor: Leif Carpman