Patents by Inventor Timothy Robert Constable

Timothy Robert Constable 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).

  • TREATMENT OF RAILWAY WHEELS
    Publication number: 20100276955
    Abstract: A method of treating a steel railway wheels to form a required distribution of compressive residual stress in the rim. In general terms the wheel heated and then quenched from the plate towards the rim. The wheel is first heated to form austenite throughout the plate and rim portions. The wheel is then cooled to form bainite/martensite in the plate portion. The wheel is cooled to form bainite/martensite in an inner portion of the rim. The wheel is cooled to form bainite/martensite in an outer portion of the rim.
    Type: Application
    Filed: June 19, 2008
    Publication date: November 4, 2010
    Applicants: QR LIMITED, AUSTRALIAN RAIL TRACK COPORATION LTD, PACIFIC NATIONAL (VICTORIA) LTD, ASCIANO SERVICES PTY LTD, TMG RAIL TECHNOLOGY PTY LTD, RAIL CORPORATION NSW, CENTRAL QUEENSLAND UNIVERSITY, UNIVERSITY OF WOLLONGONG, MONASH UNIVERSITY, UNIVERSITY OF SOUTH AUSTRALIA, QUEENSLAND UNIVERSITY OF TECHNOLOGY, THE UNIVERSITY OF QUEENSLAND
    Inventors: Bernard Chen, Timothy Robert Constable, Hung Nien Kha