Patents by Inventor Brian J. Froehlich

Brian J. Froehlich 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).

  • Auger boring machine having spoils ejector
    Patent number: 8230949
    Abstract: An auger boring machine having spoils ejector having a power source attached to an auger, a plurality of large casings extending linearly from the power source, a plurality of small casings located linearly within the large casings and centered within the large casings with the auger extending linearly within the small casings, a cutting head attached to the terminal end of the large casings, and a spoils ejector, with the spoils ejector attached to the auger and to the cutting head, with the spoils ejector located between the terminal end of the small casings and the cutting head, with the spoils ejector enclosed within the large casings, with the spoils ejector having a front, a back, first and second sides each attached to the front and to the back, first and second curved plates each attached the front, the back, and to the first and second sides, at least one of the sides having a collector aperture formed therein adjacent one of the curved plates, with the back having formed therein at least one spoils
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: July 31, 2012
    Inventors: William C. Blevins, Brian J. Froehlich
  • Auger boring machine having spoils ejector
    Publication number: 20110203853
    Abstract: An auger boring machine having spoils ejector having a power source attached to an auger, a plurality of large casings extending linearly from the power source, a plurality of small casings located linearly within the large casings and centered within the large casings with the auger extending linearly within the small casings, a cutting head attached to the terminal end of the large casings, and a spoils ejector, with the spoils ejector attached to the auger and to the cutting head, with the spoils ejector located between the terminal end of the small casings and the cutting head, with the spoils ejector enclosed within the large casings, with the spoils ejector having a front, a back, first and second sides each attached to the front and to the back, first and second curved plates each attached the front, the back, and to the first and second sides, at least one of the sides having a collector aperture formed therein adjacent one of the curved plates, with the back having formed therein at least one spoils
    Type: Application
    Filed: February 22, 2010
    Publication date: August 25, 2011
    Inventors: William C. Blevins, Brian J. Froehlich