Patents by Inventor Vicente G. Ubero

Vicente G. Ubero 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: 5320447
    Abstract: The invention refers to a base structure, particularly for tennis courts, comprising a top layer consisting of a solid microporous plate comprising a mixture from 50% to 98% fine clay and 2% to 50% cement, the thickness of the top layer being of at least 2 cm in the non-compacted state, wherein the solid microporous plate results from chemical reaction by means of water added to said mixture. The invention also provides a tennis court, the surface of which is inclined at least 0.25% as to permit excess water to flow towards the center or one side of the court. A method of building such a court is also described.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: June 14, 1994
    Assignee: Clayther International - Technology Transfers Ltd.
    Inventor: Vicente G. Ubero