Patents by Inventor Wayne N. LaVanchy

Wayne N. LaVanchy 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).

  • Plunge cutting device and method for plastic pipe members such as pipe couplings, flanges, hubs, and the like
    Patent number: 5304018
    Abstract: A universal plunge cutter for plastic pipe, pipe couplings, plastic flanges and other planar members, is provided. The plunge cutter has a cylindrical body supporting cutters, a drive shaft, a pilot mandrel for guiding the cylindrical body. The cutters are adjustably mounted in cutter slots formed in the cylindrical body so that the cutters present forwardly facing cutting edges which lie skewed relative to a radius of the cylindrical body. A method for the use of the plunge cutter is also provided.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: April 19, 1994
    Inventors: Wayne N. LaVanchy, Darrell G. Stack