Patents by Inventor Norman B. Burrows

Norman B. Burrows 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 of padding pipe
    Patent number: 4057917
    Abstract: A machine for distributing padding material within a previously dug ditch so that a pipe placed within the ditch is protected from objectional objects which may otherwise cause damage thereto.The padding machine comprises an earth moving vehicle having a laterally arranged conveyor means connected thereto, so that padding material can be transported laterally away from the vehicle and into a ditch while the machine travels along a parallel path respective to the ditch.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: November 15, 1977
    Inventor: Norman B. Burrows