Patents by Inventor Raul Olavarria

Raul Olavarria 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).

  • Weir for waste water treatment systems
    Patent number: 4693821
    Abstract: An improved weir for removal of liquid from wastewater systems which is positively driven and which decants wastewater only over a leading edge of an elongated weir and removes the water through downcomers is disclosed.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: September 15, 1987
    Assignee: Transfield, Inc.
    Inventors: Mervyn C. Goronszy, Raul Olavarria