Patents by Inventor Josef Alter

Josef Alter 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).

  • VOID FORM FOR CONSTRUCTING POST-TENSIONED FOUNDATION PILES
    Publication number: 20080008539
    Abstract: A void form for use in constructing pile foundations is placed between the pile and the pile cap before the pile is post-tensioned. Once the pile has been tested and tensioned to design load, the void form is filled with a hardenable material to provide continuous vertical support to the foundation.
    Type: Application
    Filed: July 5, 2006
    Publication date: January 10, 2008
    Inventors: Josef Alter, Horst Aschenbroich