Patents by Inventor Kim I. Christensen

Kim I. Christensen 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).

  • Resilient harrow tine
    Patent number: 4453602
    Abstract: In a resilient harrow tine of S-like shape and comprising a resilient hoop portion bent substantially to form a circle and having a cross-section the basic form of which is a rectangle with a ratio between the width and the height of approximately 3, the ratio between the strength and the material consumption has been optimized by designing the cross-section so that the neutral stress line is displaced in the direction towards the outwardly facing long side of the cross-section of the resilient hoop portion in relation to the longitudinal center line of the circumscribed rectangle of the cross-section.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: June 12, 1984
    Assignee: Kongskilde Koncernselskab A/S
    Inventors: Bent H. Larsen, Kim I. Christensen