Patents by Inventor Nicholas Certain

Nicholas Certain 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).

  • Simplified anti-vibration suspension device with top dampers for a helicopter
    Patent number: 6145785
    Abstract: The anti-vibration suspension device includes at least three diagonal bars each articulated on the structure and on the transmission box by means of a rigid lever supporting a damping weight and itself articulated at least by pivoting on this box, and, for each diagonal bar, a tension bar also articulated on the structure and on the transmission box, the corresponding lever being articulated on the box while being articulated by at least pivoting on the upper end part of the corresponding tension bar, which is flexible in tension.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: November 14, 2000
    Assignee: Eurocopter
    Inventor: Nicholas Certain