Patents by Inventor Joseph M. Friederichs

Joseph M. Friederichs 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).

  • Retaining wall block system
    Patent number: 9028175
    Abstract: A wall block having a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes. The wall block can be used in a retaining wall made of (i) a plurality of blocks including at least one lower course and at least one upper course, at least one block comprising a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes; (ii) a soil retaining material; and (iii) a channel bar.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 12, 2015
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Joseph M. Friederichs, Craig D. Moritz
  • LANDSCAPE EDGING SYSTEM
    Publication number: 20140259902
    Abstract: An improved landscape edging system is described. The landscape edging system includes an edge piece having a first end and a second end, the edge piece having a substantially vertical wall and a base, the base comprising a first footing at the first end and a second footing at the second end, the first footing being spaced apart from the second footing, the first and second footings having a stake opening, the first end having an inwardly stepped section on the wall and a stepped up section on the base. A method of installing the landscape edging system is also described.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Joseph M. Friederichs, Thomas S. Riccobene
  • RETAINING WALL BLOCK SYSTEM
    Publication number: 20140105691
    Abstract: A wall block having a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes. The wall block can be used in a retaining wall made of (i) a plurality of blocks including at least one lower course and at least one upper course, at least one block comprising a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes; (ii) a soil retaining material; and (iii) a channel bar.
    Type: Application
    Filed: December 19, 2013
    Publication date: April 17, 2014
    Applicant: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Joseph M. Friederichs, Craig D. Moritz
  • Retaining wall block system
    Patent number: 8622659
    Abstract: A wall block having a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes. The wall block can be used in a retaining wall made of (i) a plurality of blocks including at least one lower course and at least one upper course, at least one block comprising a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes; (ii) a soil retaining material; and (iii) a channel bar.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: January 7, 2014
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Joseph M. Friederichs, Craig D. Moritz
  • RETAINING WALL BLOCK SYSTEM
    Publication number: 20110243669
    Abstract: A wall block having a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes. The wall block can be used in a retaining wall made of (i) a plurality of blocks including at least one lower course and at least one upper course, at least one block comprising a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes; (ii) a soil retaining material; and (iii) a channel bar.
    Type: Application
    Filed: March 3, 2011
    Publication date: October 6, 2011
    Applicant: KEYSTONE RETAINING WALL SYSTEMS, INC.
    Inventors: Joseph M. Friederichs, Craig D. Moritz