Patents by Inventor Eric D. Dybsetter

Eric D. Dybsetter 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).

  • Publication number: 20020195869
    Abstract: A single arm support apparatus for a rockwheel for excavating a trench through difficult materials, including rock. The rock cutting attachment includes a frame assembly which supports a cutting wheel in a manner that permits it to be inserted into the ground to approximately the radius of the wheel. The cutting wheel mounts to a shaft that is supported by bearings on a single side of the wheel, and is rotationally driven by a hydraulic motor. Additional structure mounted on the frame provides depth control.
    Type: Application
    Filed: June 25, 2001
    Publication date: December 26, 2002
    Inventor: Eric D. Dybsetter