Patents by Inventor Richard J. Roth

Richard J. Roth 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).

  • Arrangement and method for powering inductors for induction hardening
    Patent number: 8716636
    Abstract: An arrangement for induction hardening a part including a pair of separate inductors electrically isolated from each other and configured to substantially surround a part when brought into close juxtaposition with each other. The inductor sections are powered by respective secondary inductor loops brought into close juxtaposition with a primary inductor loop connected to an ac power source which induces an ac current in each inductor section.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: May 6, 2014
    Inventors: John C. Bollman, Richard J. Roth
  • ARRANGEMENT AND METHOD FOR POWERING INDUCTORS FOR INDUCTION HARDENING
    Publication number: 20110084063
    Abstract: An arrangement for induction hardening a part including a pair of separate inductors electrically isolated from each other and configured to substantially surround a part when brought into close juxtaposition with each other. The inductor sections are powered by respective secondary inductor loops brought into close juxtaposition with a primary inductor loop connected to an ac power source which induces an ac current in each inductor section.
    Type: Application
    Filed: October 4, 2010
    Publication date: April 14, 2011
    Inventors: John C. Bollman, Richard J. Roth