Patents by Inventor Dennis R. Ullrich

Dennis R. Ullrich 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: 5042642
    Abstract: A household trash delivery system that includes a rail structure extending from a point near the home to a point at the side of the street in front of the home. An endless power-driven chain extends within the rail structure for moving a trash receptacle cart therealong. The homeowner can use the trash delivery system to move heavy trash barrels from the home out to the curb without physically lifting or carrying the barrels from one point to another point. The system has special usefulness for elderly persons or handicapped persons, who may not be physically capable of carrying heavily-loaded trash barrels for any appreciable distance.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: August 27, 1991
    Inventor: Dennis R. Ullrich