Patents by Inventor Michael James Wardell

Michael James Wardell 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).

  • Publication number: 20040182988
    Abstract: What is new is, a mold designed to eliminate the problems of bending metal pallets, pallet jams, lost product and production associated with a pallet not being placed or positioned squarely or centered under a mold during the pallet delivery sequence of a machine cycle.
    Type: Application
    Filed: March 17, 2003
    Publication date: September 23, 2004
    Inventor: Michael James Wardell
  • Patent number: 6773642
    Abstract: A method of forming a concrete retaining wall block having a front face and an opposed back face in a front fact up position. The method includes inserting a plurality of tines of a horizontal core puller into a plurality of holes in the bottom of a mold such that the a plurality of tines are positioned to form a dovetail slot and chamfers in the back face of a concrete retaining wall block; and pressing and vibrating a semi-dry concrete mix feed into the mold with a head to form a concrete retaining wall block having a relief stamped in its front face and to form the dovetail slot and chamfers its back face. The method allows the dimensions of the concrete retaining wall block to be exact and consistent from cycle to cycle of the method.
    Type: Grant
    Filed: January 4, 2002
    Date of Patent: August 10, 2004
    Inventor: Michael James Wardell