Patents by Inventor Dalvin S. Palmer

Dalvin S. Palmer 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: 4353471
    Abstract: This disclosure relates to an improved type of tension supported boom crane which uses a load distributor to provide a plurality of attachment points for the tension support, thereby allowing a load or loads to be connected to a corresponding plurality of support points, giving rise to a particular improvement in control for bulky loads.This disclosure further relates to an improved method for controlling a bulky load with a tension supported boom crane by incorporating a load distributor in the supporting tension line allowing attachment of load cables to a bulky load at a plurality of points, and further allowing each of those load lines to be independently controlled.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: October 12, 1982
    Inventor: Dalvin S. Palmer