Patents by Inventor Frederick E. Willcox, Jr. deceased

Frederick E. Willcox, Jr. deceased 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: 5228807
    Abstract: A foundation support apparatus having at least one concrete piling having a plurality of vertical piling sections surrounded by a sleeve having a plurality of vertical sleeve sections is provided. The vertical piling sections extend from the foundation to below the subsurface water table. The sleeve sections form a continuous sleeve capable of protecting the piling from uplifting soil pressure occurring in the zone of moisture change.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Perma Pile Foundation Restoration Systems, Inc.
    Inventor: Frederick E. Willcox, Jr. deceased