Patents by Inventor Helder Filipe Cunha Soutinho

Helder Filipe Cunha Soutinho 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).

  • THREE-DIMENSIONAL SHAPED NONWOVEN STRUCTURES FOR ACOUSTIC INSULATION AND PRODUCTION METHOD THEREOF
    Publication number: 20130052426
    Abstract: A three-dimensional (3D) nonwoven structure is provided having fibers oriented in different directions and superficial shapes in predefined areas. The structure comprises at least three layers, a top layer, a bottom nonwoven layer and a randomly oriented fiber layer, connected with fibers in predefined areas. The layers are connected using a special technique based on the needle board configuration of the needle-punching machine, and may be needled with different needle positions. A special needle loom feeding system to feed the different layers and to produce the product is also disclosed.
    Type: Application
    Filed: December 7, 2009
    Publication date: February 28, 2013
    Inventors: Raul Manuel Esteves Sousa Fangueiro, Helder Filipe Cunha Soutinho