Patents by Inventor Michael E. Ashton

Michael E. Ashton 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).

  • Aluminothermic welding of austenitic manganese steel
    Patent number: 4216816
    Abstract: A method of aluminothermic welding of members of austenitic steel containing by weight 10 to 20% manganese, 0.5 to 1.5% carbon and 0 to 5% nickel, and particularly low carbon austenitic steels containing by weight 14 to 17% manganese, 0.5 to 1.5% carbon and 0 to 5% nickel, comprises using a particulate mix for forming the aluminothermic steel, which mix is substantially free from phosphorus and silicon and a mould whose body material is predominantly a non-silicon material.
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: August 12, 1980
    Assignees: Thermit Welding GB Limited, British Railways Board
    Inventors: Michael E. Ashton, Anthony J. Key