Patents by Inventor Frank Beth

Frank Beth 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).

  • Fertilizer pump
    Patent number: 4651765
    Abstract: A pump for injecting fertilizer or other material into a pressurized water supply line comprises an impeller including a housing having an inlet connectable to the pressurized water supply line, an outlet vented to the atmosphere, and impeller vanes rotatably mounted within the housing to be rotated by the pressurized water flowing therethrough from its inlet to its outlet. The pump further includes an injector coupled to the impeller to inject the material into the water supply line at a point downstream of the impeller.
    Type: Grant
    Filed: August 1, 1985
    Date of Patent: March 24, 1987
    Assignee: Amiad Sinun VeHashkaya
    Inventor: Frank Beth