Patents by Inventor Sture G. Gulliksson

Sture G. Gulliksson 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 supporting and controlling the grabbing device of hoisting gear
    Patent number: 4181291
    Abstract: The one ends of the closing rope and holding rope of the jib or other hoisting gear-suspended grab of a winch are wrapped about a common drum and travel equivalent paths for syncronization of rope movement as the grab is raised and lowered. The opposite end of the closing rope is wrapped about an auxiliary drum or other extensible, retractible load rope anchoring device, equipped to be rotated, on command by an amount sufficient to open or close the grab.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: January 1, 1980
    Assignee: Aktiebolaget Hagglund & Soner
    Inventor: Sture G. Gulliksson