Patents by Inventor Daniel Le Ruyet

Daniel Le Ruyet 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).

  • Composition of matter comprising cellular aggregate distributed in a binder
    Patent number: 4086098
    Abstract: There is provided a composition of matter comprising a cellular aggregate distributed in a hardenable or hardened binder or matrix material, in which the aggregate consists of or includes (i) a fraction of cellular glass beads of mesh sizes up to 3 mm, individually containing one or more interior cells with a maximum cross-sectional dimension at least 0.3 times the mesh size of the bead and having a non-cellular or micro-cellular surface skin, and (ii) a fraction of cellular glass beads of mesh sizes above 3 mm, individually having a multicellular core with a cell population per unit volume substantially higher than the population of said interior cells in said fine fraction beads and likewise having a non-cellular or micro-cellular surface skin.
    Type: Grant
    Filed: November 10, 1976
    Date of Patent: April 25, 1978
    Assignee: BFG Glassgroup
    Inventors: Daniel Le Ruyet, Daniel De Vos