Patents by Inventor Daniel D. Boster

Daniel D. Boster 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).

  • Low pressure continuous feed screw press
    Patent number: 5137489
    Abstract: A press for reducing the volume and moisture content of waste material from the paunch of slaughtered meat animals. The press is principally a spiral press having bars extending from the screen to serve a dual purpose in controlling rotation of the material and separating the material as it passes through the press. A novel control to determine and regulate the pressure applied to the material is also provided.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: August 11, 1992
    Inventor: Daniel D. Boster