Patents by Inventor Lars-Uno Olsson

Lars-Uno Olsson 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 thawing out road culverts choked with ice
    Patent number: 4770211
    Abstract: Method for clearing a road culvert or the like which is choked with ice, wherein a substantially homogeneous rope of a material having at least a certain reversible extensibility is extended through the culvert from its inlet side to its outlet side and wherein the rope in its unloaded condition is clamped in connection with the outlet side and the inlet side respectively of the culvert so that the rope extends through the culvert.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: September 13, 1988
    Inventor: Lars-Uno Olsson