Patents by Inventor Michael Litton

Michael Litton 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).

  • Publication number: 20050072485
    Abstract: A method of weaving tubular textile articles, comprising: forming first, second, third and fourth superposed layers of warp threads; weaving by weft insertion through sheds formed in said layers, the weaving being performed by first and second weft threads inserted by first and second needles from one side of said warp layers; each weft thread being inserted alternately through a selected pair of said warp layers; and the weft loops at the other side of said layers being knitted together, the first layer with the second layer and the third layer with the fourth layer, to form a pair of selvedges. A tubular textile article formed by the method is provided. A needleloom for weaving such articles is also provided.
    Type: Application
    Filed: September 28, 2001
    Publication date: April 7, 2005
    Inventor: Michael Litton
  • Patent number: 5732572
    Abstract: The present invention relates to a fabric for the construction of knitted tubular grafts for use in cardiovascular surgery and to methods of manufacturing these grafts. The fabric of the present invention is constructed so that grafts formed from it will have an increased hoop modulus due to the fabric having a underlap of greater than two needle spaces in the bar nearer to the technical face of the fabric.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: March 31, 1998
    Assignee: Vascutek Limited
    Inventor: Michael Litton