Patents by Inventor Heiner J. Hoefkes

Heiner J. Hoefkes 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: 5210912
    Abstract: A curved rod-like member defines two right facing and two left facing bights. These may each receive a bight of a rope and by use of the member thus connected many coupling features are provided. Member shaping to align the bights and avoid rotary torque is provided.
    Type: Grant
    Filed: June 9, 1992
    Date of Patent: May 18, 1993
    Inventor: Heiner J. Hoefkes
  • Patent number: 5026011
    Abstract: A peg board hanger is designed to provide ends which attach to the peg-board where both ends curve through 90.degree. in a plane perpendicular to the downward extent of the hanger.
    Type: Grant
    Filed: September 12, 1990
    Date of Patent: June 25, 1991
    Inventor: Heiner J. Hoefkes
  • Patent number: 4237985
    Abstract: A device that includes a bracket, a hydraulic cylinder having an end pivotally mounted on an axis of the bracket, a first link pivotally mounted on the bracket on one side of the cylinder and pivotally connected to the extension end of the cylinder, a support structure pivotally mounted on the axis and having a plurality of earth working tools, and a second link pivotally mounted on the support structure on the other side of the cylinder and pivotally connected to the extension end of the cylinder. The device, including the bracket, is particularly arranged and constructed to be mounted on a multi-hitch structure for a plurality of grain drills to remove a tractor track prior to planting. The cylinder rotates the device from a working position to a transport position that is substantially in excess of 90.degree. therefrom. Tool depth adjustment and levelling means are also provided.
    Type: Grant
    Filed: June 14, 1979
    Date of Patent: December 9, 1980
    Assignee: International Harvester Company
    Inventor: Heiner J. Hoefkes