Patents by Inventor Robert Herschenfeld

Robert Herschenfeld 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).

  • Automated shear stud welding system
    Patent number: 5130510
    Abstract: A welding apparatus welds shear studs onto a horizontal surface and uses ferrules as weld molds. The apparatus includes a weld module having a frame and having a welding gun with a chuck, the module being translatably mounted to a carriage, a holder mounted on the frame which holds a stud in a first position and a ferrule in a second position, and a driver which drives the weld module downward so that the chuck contacts the stud and drives a lower portion of the stud into the ferrule.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: July 14, 1992
    Assignee: Massachusetts Institute of Technology
    Inventors: Andrew Zeigler, Robert Herschenfeld