Patents by Inventor Robert Laing

Robert Laing 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).

  • Windrow turning apparatus
    Patent number: 5966916
    Abstract: A windrow turning apparatus which mounts to a front of a tractor and has a first rake support assembly and a second rake support assembly. The rake support assemblies support rotary raking wheels at an angle in relation to a support frame extending from a forward end outwardly toward a tractor attachment end. A farmer can lower either the first rake support assembly or the second rake support assembly to an operative position, depending upon the direction that windrow needs to be turned in order to maintain consistent windrow spacing.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: October 19, 1999
    Inventor: Murray Robert Laing
  • Method of and apparatus for wrapping products
    Patent number: 4439975
    Abstract: Method of and means for wrapping generally cylindrical products with plastic film in which the film extends from a supply roll over a supporting means and terminates in a free end. The product is placed on the supporting means, the free end of the film is transferred to the product and the product is rotated to draw film from the supply roll and cause it to be wrapped around the product. The wrapped product is removed from the supporting means and the film is severed.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: April 3, 1984
    Assignee: Curtis & Marble Corp.
    Inventor: Robert Laing
  • Method of and apparatus for wrapping products
    Patent number: 4189894
    Abstract: Method of and means for wrapping generally cylindrical products with plastic film in which the film extends from a supply roll over a supporting means and terminates in a free end. The product is placed on the supporting means, the free end of the film is transferred to the product and the product is rotated to draw film from the supply roll and cause it to be wrapped around the product. The wrapped product is removed from the supporting means and the film is severed.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: February 26, 1980
    Assignee: Curtis & Marble Machine Company
    Inventor: Robert Laing