Patents Assigned to Geotech Development Corporation
  • Absorbent pillow
    Patent number: 4497712
    Abstract: An expendable pillow in the form of a container having at least one pocket partially filled with a granular absorbent material is disclosed. The container is a fabric of high permeability coated with a surfactant. The granular material is highly absorbent and expandable upon contact with liquids. The pillow is light weight, has an absorption capacity in excess of 500%, and will float on liquids.
    Type: Grant
    Filed: October 14, 1983
    Date of Patent: February 5, 1985
    Assignee: Geotech Development Corporation
    Inventor: Albert R. Cowling