Patents by Inventor Thomas P. Schellhardt

Thomas P. Schellhardt 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: 6561810
    Abstract: An apparatus for teaching a child about basic fluid piping systems comprises a kit having a plurality of pipes and pipe fittings, and a media embodying element, all of which are packaged together for sale. The pipes and pipe fittings come in a variety of shapes, sizes and types and are adapted to be interconnected with one another to form a variety of operable fluid piping systems. The media embodying element includes media that conveys information in a form that can be comprehended by children about the manner in which the pipes and pipe fittings may be interconnected with one another to form various fluid piping systems, which are adapted for connection to a water source for operating the fluid piping systems.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: May 13, 2003
    Inventors: Thomas P. Schellhardt, Timothy M. Schellhardt