Patents by Inventor David A. Lisowski

David A. Lisowski 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).

  • Cementitious compositions and related systems and methods
    Patent number: 8529689
    Abstract: Provided are cementitious compositions and related systems and methods. The cementitious compositions, or admixtures, according to the present invention generally comprise gypsum, a first alkaline component and glass. The admixture may further comprise fly ash, which is preferably obtained as a waste by-product from a coal-burning power plant. A method according to the present invention comprises an initial step of analyzing or receiving an analysis of a fly ash sample. Based at least in part on the analysis of the fly ash sample, a mix rate may be selected and an initial admixture can be formulated, which, when added to the fly ash sample, creates an alternative or additive to Portland cement for use in concrete, for example.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: September 10, 2013
    Assignee: Reco Cement Products, LLC
    Inventors: David A. Lisowski, John R. Miglautsch
  • Cementitious compositions and related systems and methods
    Publication number: 20110088598
    Abstract: Provided are cementitious compositions and related systems and methods. The cementitious compositions, or admixtures, according to the present invention generally comprise gypsum, a first alkaline component and glass. The admixture may further comprise fly ash, which is preferably obtained as a waste by-product from a coal-burning power plant. A method according to the present invention comprises an initial step of analyzing or receiving an analysis of a fly ash sample. Based at least in part on the analysis of the fly ash sample, a mix rate may be selected and an initial admixture can be formulated, which, when added to the fly ash sample, creates an alternative or additive to Portland cement for use in concrete, for example.
    Type: Application
    Filed: October 21, 2009
    Publication date: April 21, 2011
    Inventors: David A. Lisowski, John R. Miglautsch
  • Ottoman
    Patent number: D703454
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: April 29, 2014
    Inventor: David A. Lisowski