Patents by Inventor Howard Martin Smith

Howard Martin Smith 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).

  • Method and Device for Production of Heat Treated Welded Rail for Rail Transport and Rail Produced Therewith
    Publication number: 20180016654
    Abstract: The present invention relates to a method and device for the production of heat treated welded rail for rail transport, such as railways and tramways. The invention also relates to a rail produced with the method and/or the device.
    Type: Application
    Filed: September 18, 2015
    Publication date: January 18, 2018
    Inventors: Daniel Jonathan Pyke, Howard Martin Smith
  • Rail steel with an excellent combination of wear properties and rolling contact fatigue resistance
    Patent number: 8430976
    Abstract: A high-strength pearlitic steel rail with an excellent combination of wear properties and rolling contact fatigue resistance wherein the steel has 0.88% to 0.95% carbon, 0.75% to 0.92% silicon, 0.80% to 0.95% manganese, 0.05% to 0.14% vanadium, up to 0.008% nitrogen, up to 0.030% phosphorus, 0.008 to 0.030% sulphur, at most 2.5 ppm hydrogen, at most 0.10% chromium, at most 0.010% aluminium, at most 20 ppm oxygen, the remainder being iron and unavoidable impurities.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: April 30, 2013
    Assignee: Tata Steel UK Limited
    Inventors: Robert Carroll, Howard Martin Smith, Shreekant Jaiswal
  • RAIL STEEL WITH AN EXCELLENT COMBINATION OF WEAR PROPERTIES AND ROLLING CONTACT FATIGUE RESISTANCE
    Publication number: 20110038749
    Abstract: A high-strength pearlitic steel rail with an excellent combination of wear properties and rolling contact fatigue resistance wherein the steel has 0.88% to 0.95% carbon, 0.75% to 0.92% silicon, 0.80% to 0.95% manganese, 0.05% to 0.14% vanadium, up to 0.008% nitrogen, up to 0.030% phosphorus, 0.008 to 0.030% sulphur, at most 2.5 ppm hydrogen, at most 0.10% chromium, at most 0.010% aluminium, at most 20 ppm oxygen, the remainder being iron and unavoidable impurities.
    Type: Application
    Filed: February 23, 2009
    Publication date: February 17, 2011
    Inventors: Robert Carroll, Howard Martin Smith, Shreekant Jaiswal