Patents by Inventor Ray S. Smith

Ray S. Smith 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: 5117857
    Abstract: A transfer and rinse unit of the present invention is used for transferring liquid from a container to a liquid distribution system, such as spraying apparatus, and for rinsing the container. The unit includes a suction conduit and a rinse conduit positioned alongside one another. The conduits have upper and lower ends and the lower ends of the conduits are adapted to be inserted inside the container. The suction conduit has an inlet adjacent its lower end, and an outlet communicating with a pump whereby liquid may be pumped from the container via the suction tube to the liquid delivery system. The rinse conduit has an inlet adjacent its upper end for connection to a supply of pressurized rinse liquid, and an outlet for flow of rinse liquid into the container. An inlet valve is provided for controlling the flow of rinse liquid into the rinse conduit.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: June 2, 1992
    Assignee: Monsanto Company
    Inventor: Ray S. Smith