Patents by Inventor Stephen Richard Pogorski

Stephen Richard Pogorski 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).

  • Thermal insulation
    Patent number: 6221456
    Abstract: A lightweight, partially evacuated load-supporting insulation panel comprising an outer gas-impermeable envelope and an inner gas-permeable envelope. The inner envelope is filled with a mixture of coarse gas-permeable granules and fine gas permeable particles, void spaces formed within and between said granules and particles containing a gas of low thermal conductivity. An intermediate gas impermeable envelope may also be used.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: April 24, 2001
    Inventors: Louis August Pogorski, Stephen Richard Pogorski