Patents by Inventor Erik Duivenvoorde

Erik Duivenvoorde 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).

  • User Pay Waste Disposal Device and System
    Publication number: 20140286743
    Abstract: A user pay waste disposal container, having a waste receiving compartment; a waste entry door into the waste receiving compartment; locking means for reversibly locking the waste entry door; and payment means for unlocking the waste entry door. The container may have a waste storage compartment adjacent the waste receiving compartment; and waste transfer means for transferring the waste from the receiving compartment to the storage compartment. A waste disposal system and method using the user pay containers distributed in a network of locations accessible to users for waste disposal.
    Type: Application
    Filed: December 3, 2012
    Publication date: September 25, 2014
    Inventor: Erik Duivenvoorde