Patents by Inventor James P. Vanderloop

James P. Vanderloop 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: 4271632
    Abstract: The silo door of the present invention is adapted to fit in closing relation over an opening in the silo wall. The door is connected to the silo by a hinge which permits the door to swing about a vertical axis located adjacent one of the vertical side edges of the opening. A bracket connects the hinge to the door and permits inward tilting movement of the door with respect to the hinge about a horizontal tilt axis. A latch is provided for selectively detachably securing the door to the silo in rigid covering relationship over the opening.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: June 9, 1981
    Inventor: James P. Vanderloop