Patents by Inventor Mohamad Hashish

Mohamad Hashish 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 apparatus for abrasive water jet millins
    Patent number: 5704824
    Abstract: The invention describes a method and apparatus for milling objects by means of high velocity abrasive waterjet. The apparatus includes means for holding and producing relative motion in three dimensions of both the workpiece and the jet. Control means are provided to allow uniform and variable depth milling of complex shapes and automatic variations in relative speed, standoff distance, angle and pressure. The method includes the use of a resistant mask for facilitating milling and production of masks by the same tool used for milling.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: January 6, 1998
    Inventors: Mohamad Hashish, David O. Monserud, Steven J. Craigen, Mark H. Marvin, Paul H. Tacheron, David H. Bothell, Ronald C. Lilley, Peter J. Miles
  • Abrasive-waterjet nozzle for intelligent control
    Patent number: 5320289
    Abstract: An abrasive waterjet nozzle for intelligent control is illustrated. The invention includes a nozzle cartridge dismountably attached to a holder allowing quick and automatic nozzle changes. Provisions are further included for sensing the condition of nozzle components.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: June 14, 1994
    Assignee: National Center for Manufacturing Sciences
    Inventors: Mohamad Hashish, David Monserud, Steve Craigen