Patents by Inventor Charlie Maurice Levitt

Charlie Maurice Levitt 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).

  • Cutting of materials by spark erosion
    Patent number: 4103137
    Abstract: A method of cutting a material, which may be insulating or conducting, which includes the steps of placing a pair of parallel spaced electrodes, preferably taking the form of a pair of wires, close to or in contact with the material, applying a voltage across the electrodes and causing relative movement between the electrodes and the material as the spark erodes the material to effect the cut. The invention also provides apparatus for carrying out this method.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: July 25, 1978
    Inventors: Charlie Maurice Levitt, Samuel Chatterley, Peter John Livsey Flinn