Patents by Inventor Raymond Y. Deroche

Raymond Y. Deroche 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).

  • Machine for straightening and stress-relieving steel rails
    Patent number: 4726212
    Abstract: A hydraulic stretching machine for straightening and stress-relieving rails, the machine being defined by stretching grips and fixing shackles being displaceable individually and independently, laterally and vertically, with respect to the longitudinal axis of the stretching machine, and grip-holding jaws which can be oriented about a longitudinal axis, the jaws including a fixed jaw and a mobile jaw articulated in and upon the fixed jaw.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: February 23, 1988
    Assignee: Unimetal
    Inventors: Raymond Y. Deroche, Jacques Michaux