Patents by Inventor Richard Bossart

Richard Bossart 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).

  • Hairspring for a balance wheel/hairspring resonator
    Patent number: 8002460
    Abstract: Hairspring for a balance wheel/hairspring resonator, comprising n blades, where n?2, which are fastened via at least one of their respective homologous ends and wound in spirals with an angular offset capable of neutralizing the lateral forces liable to be exerted on its central arbor when one of the ends of each blade is moved angularly around said central arbor relative to its other end.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: August 23, 2011
    Assignee: Rolex S.A.
    Inventors: Jérôme Daout, Richard Bossart
  • HAIRSPRING FOR A BALANCE WHEEL/HAIRSPRING RESONATOR
    Publication number: 20100027382
    Abstract: Hairspring for a balance wheel/hairspring resonator, comprising n blades, where n?2, which are fastened via at least one of their respective homologous ends and wound in spirals with an angular offset capable of neutralizing the lateral forces liable to be exerted on its central arbor when one of the ends of each blade is moved angularly around said central arbor relative to its other end.
    Type: Application
    Filed: July 29, 2009
    Publication date: February 4, 2010
    Applicant: ROLEX S.A.
    Inventors: Jerôme Daout, Richard Bossart