Patents by Inventor Willem Walter Coppoolse

Willem Walter Coppoolse 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).

  • Patent number: 7188831
    Abstract: Suspension system comprising a flat spring member having four legs. The legs are symmetrically arranged with respect to the center position of the spring member and each of the legs has a longitudinal axis and an end portion. A suspension frame is provided to support the spring member (by fixing the end portion of two legs. Two preload elements are arranged close to the end portions of two of the legs in a manner to apply a preloading force at those legs. The preloading force essentially points in the direction of the longitudinal axis.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: March 13, 2007
    Inventor: Willem Walter Coppoolse
  • Publication number: 20040094882
    Abstract: Suspension system comprising a flat spring member having four legs. The legs are symmetrically arranged with respect to the center position of the spring member and each of the legs has a longitudinal axis and an end portion. A suspension frame is provided to support the spring member (by fixing the end portion of two legs. Two preload elements are arranged close to the end portions of two of the legs in a manner to apply a preloading force at those legs. The preloading force essentially points in the direction of the longitudinal axis.
    Type: Application
    Filed: November 13, 2003
    Publication date: May 20, 2004
    Applicant: Contraves Space AG
    Inventor: Willem Walter Coppoolse