Patents by Inventor Daniel N. Hedou

Daniel N. Hedou 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).

  • Press felt base fabric exhibiting reduced interference
    Patent number: 9404218
    Abstract: A press felt formed of two stacked layers of woven single layer base fabric, each layer being formed by warp yarns interwoven with two systems of weft yarns according to a single layer weave pattern. The layers are needled with a batt layer. In the woven single layer base fabric: a) the warp yarns are polymeric monofilaments arranged as a single layer and there are two systems of weft yarns; b) the first system of weft yarns are formed by cabled polymeric monofilaments and the second system of well yarns are single polymeric monofilaments; c) the cabled polymeric monofilaments are 50% to 85% in one repeat; d) the cabled monofilaments are each formed of at least two monofilaments which are cabled together; and e) at least two of the cabled well yarns in each repeat are adjacent to each other.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: August 2, 2016
    Assignee: AstenJohnson, Inc.
    Inventors: Hanjiang Xu, Robert W. Huck, Daniel N. Hedou
  • PRESS FELT BASE FABRIC EXHIBITING REDUCED INTERFERENCE
    Publication number: 20150368863
    Abstract: A press felt formed of two stacked layers of woven single layer base fabric, each layer being formed by warp yarns interwoven with two systems of weft yarns according to a single layer weave pattern. The layers are needled with a batt layer. In the woven single layer base fabric: a) the warp yarns are polymeric monofilaments arranged as a single layer and there are two systems of weft yarns; b) the first system of weft yarns are formed by cabled polymeric monofilaments and the second system of well yarns are single polymeric monofilaments; c) the cabled polymeric monofilaments are 50% to 85% in one repeat; d) the cabled monofilaments are each formed of at least two monofilaments which are cabled together; and e) at least two of the cabled well yarns in each repeat are adjacent to each other.
    Type: Application
    Filed: February 6, 2014
    Publication date: December 24, 2015
    Applicant: AstenJohnson, inc.
    Inventors: Hanjiang XU, Robert W. Huck, Daniel N. Hedou