Patents by Inventor Lech W. Hernandez

Lech W. Hernandez 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).

  • Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use
    Patent number: 9259853
    Abstract: A mold for making dry cast concrete blocks includes a pair of vertical shoulder forming sections, one along each of the opposite sides of the mold to form vertical front shoulders of a block. Each shoulder forming section has a shoulder roughening arrangement to result in molded, roughened shoulders of the block. Methods of making such blocks and the resulting block are included.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: February 16, 2016
    Assignee: Anchor Wall Systems, Inc.
    Inventors: Jay Johnson, Lech W. Hernandez, Paul Johnson, Michael Lidbom
  • MOLDS FOR PRODUCING CONCRETE BLOCKS WITH ROUGHENED SURFACES; BLOCKS MADE THEREFROM; AND METHODS OF USE
    Publication number: 20120192522
    Abstract: A mold for making dry cast concrete blocks includes a pair of vertical shoulder forming sections, one along each of the opposite sides of the mold to form vertical front shoulders of a block. Each shoulder forming section has a shoulder roughening arrangement to result in molded, roughened shoulders of the block. Methods of making such blocks and the resulting block are included.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 2, 2012
    Inventors: Jay Johnson, Lech W. Hernandez, Paul Johnson, Michael Lidbom