Patents by Inventor Alan N. Roepnack

Alan N. Roepnack 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: 4185549
    Abstract: Nozzles are mounted on the face of the plunger of a conventional hay baler for injecting a fluid into the mass of hay as it is compacted. The nozzles are connected to a tank holding the fluid through control valves and a metering chamber which serve to limit the period of injection to the compression stroke of the plunger and to limit the quantity of fluid injected.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: January 29, 1980
    Inventor: Alan N. Roepnack