Patents by Inventor Dirk Kerkhoff

Dirk Kerkhoff 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).

  • APPARATUS FOR AERATING AND DRAINING
    Publication number: 20140060668
    Abstract: An aeration and drainage system includes an aeration & drain pipe which contains slots on its upper surface, a stand which holds said aeration & drain pipe above a bottom surface, an air and liquid transfer element attached to the aeration & drain pipe and positioned over said slots. Additionally the air and liquid transfer element extends upward from the slots, and the air and liquid transfer element contains openings on its top to allow fluids to flow into the air and liquid transfer element and through the slots in the aeration & drain pipe.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Applicant: BUILDWORKS SYSTEMS, INC.
    Inventors: Dirk Kerkhoff, Johan Kerkhoff