Patents by Inventor Donald Henry Hourahane

Donald Henry Hourahane 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).

  • Reinforcing for concrete products and reinforced concrete products
    Patent number: 6335087
    Abstract: A yarn for use in a cement mortar matrix, includes a core and a multitude of staple fibers forming a layer which envelopes the core and provides an extended surface area and interstical spaces for infiltration by cement fines and hydrates. The staple fibers are spun around the core and attached to the core, and have sufficient freedom of radial movement to provide said spaces and permit ingress of cement fines and the formation of hydrates in said spaces.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: January 1, 2002
    Inventor: Donald Henry Hourahane