Patents by Inventor Michael Janiga

Michael Janiga 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: 4903406
    Abstract: A pipe splitter having an elongated frame, a first end and a second end is disclosed. A first roller and a second roller is rotatably positioned proximate the first end and the second end of the elongated frame, respectively, to rotatably support the elongated frame when positioned in use into the bore of a pipe to be split. A first coupling means is securably positioned at the first end of the elongated frame to enable the elongated frame to be pulled along a longitudinal dimension of the pipe to be split. A cutting wheel is positioned between the first end and the second end of the elongated frame to enable a cutting engagement of the pipe in order to split the pipe along a single longitudinal path thereof.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: February 27, 1990
    Inventors: William O. Schosek, Neil Schosek, Michael Janiga