Patents by Inventor Sean J. Campbell

Sean J. Campbell 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).

  • Screed Comprising Recycled Glass Waste
    Publication number: 20080141907
    Abstract: A screed for applying to eg a concrete slab, etc to give a smooth surface finish comprises recycled glass waste sand residue. In a preferred embodiment the screed comprises (i) recycled glass waste or a recycled glass waste sand residue in the form of an aggregate or powder; and (ii) a calcium sulphate powder binder. A method for production of a screed is described as well as a method for remediation of recycled glass waste.
    Type: Application
    Filed: February 17, 2004
    Publication date: June 19, 2008
    Applicant: Transmix Group Ltd.
    Inventor: Sean J. Campbell