Patents by Inventor Samuel Ray Alexander

Samuel Ray Alexander 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).

  • Pallett assembly
    Patent number: 5666886
    Abstract: A modular double deck shipping pallet assembly which may be disassembled to smaller volume for shipping, reassembly and reuse. All of the components of the assembly are injection molded from recyclable or recycled thermoplastic polymers.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: September 16, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Samuel Ray Alexander, Sarah Rheagan Alexander, Gaylord Allen Hiler
  • Sludge disinfection
    Patent number: 4108772
    Abstract: Disinfection and flocculation of waste activated sludge from a bio-oxidation facility is achieved by contacting the activated sludge with zinc salts optionally in the presence of manganese salts. Either simultaneously with the addition of the zinc or after the addition, sufficient base must be added to render the solution basic.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: August 22, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Samuel Ray Alexander