Patents by Inventor Robert P. Duran

Robert P. Duran 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).

  • Mobile material elevator on wheels
    Patent number: 8733533
    Abstract: A roof loading device delivers materials such as shingles to a roof from the ground. The device includes a platform and a conveyor coupled to the platform. The conveyor has a first end pivotally coupled to the platform and a second end positionable in spaced relationship from the platform wherein the second end is configured for being positioned over a surface of a roof. A motivator is operationally coupled to the conveyor wherein the conveyor is configured for moving an object on the conveyor from the first end of the conveyor towards the second end of the conveyor.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: May 27, 2014
    Inventor: Robert P. Duran