Patents by Inventor Johannes C. Vleghert

Johannes C. Vleghert 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).

  • Manufacture of polyurethane foam ball
    Patent number: 7985779
    Abstract: The present invention relates to a novel method for manufacturing a cellular elastomeric polyurethane foam ball. The product polyurethane foam ball may be used as a core for a tennis ball which meets ITF specifications for tennis balls, including weight, diameter, bound, forward deformation and return deformation.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: July 26, 2011
    Assignee: Invista North America S.A.R.L.
    Inventor: Johannes C. Vleghert
  • MANUFACTURE OF POLYURETHANE FOAM BALL
    Publication number: 20090023525
    Abstract: The present invention relates to a novel method for manufacturing a cellular elastomeric polyurethane foam ball. The product polyurethane foam ball may be used as a core for a tennis ball which meets ITF specifications for tennis balls, including weight, diameter, bound, forward deformation and return deformation.
    Type: Application
    Filed: July 16, 2008
    Publication date: January 22, 2009
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventor: Johannes C. Vleghert