Patents by Inventor Albert R. Cowling

Albert R. Cowling 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).

  • Patent number: 4902544
    Abstract: Leak resistant absorbent articles are made from a tubular casing of liquid permeable fabric wherein the casing is loosely filled with a mixture of particles of a crosslinked hydrocolloid and particles of other liquid absorbing material.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: February 20, 1990
    Assignees: Sheen Kleen, Inc., Hoechst Celanese Corporation
    Inventors: Dai W. Kim, Albert R. Cowling
  • 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