Patents by Inventor Harry R. Ma

Harry R. Ma 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).

  • Patent number: 10793973
    Abstract: The present invention relates to synthetic fibers and artificial lawn comprising such a fibre. More particularly, the invention relates to grass-like monofilament type fibers having a curved cross section and an artificial grass lawn, especially an artificial grass sports field, comprising such a fibre. According to an aspect of the invention, a synthetic fibre is provided of the monofilament type for use in an artificial lawn, in particular an artificial sports lawn, which synthetic fibre has a curved cross section, wherein the synthetic fibre has a centre line arc length to maximum thickness of less than 8, preferably between 4.5 and 3.8, and even more preferably between 4.4 and 4.0. In an other aspect of the invention, a synthetic fibre is provided of the monofilament type for use in an artificial lawn, in particular an artificial sports lawn, which synthetic fibre has a curved cross section, wherein the circumferential surface of the fibre is provided with a wave shaped pattern.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: October 6, 2020
    Assignee: Ten Cate Thiolon B.V.
    Inventors: Jean-Claude Auguste, Harry R. Ma
  • Publication number: 20130004683
    Abstract: The present invention relates to synthetic fibers and artificial lawn comprising such a fibre. More particularly, the invention relates to grass-like monofilament type fibers having a curved cross section and an artificial grass lawn, especially an artificial grass sports field, comprising such a fibre. According to an aspect of the invention, a synthetic fibre is provided of the monofilament type for use in an artificial lawn, in particular an artificial sports lawn, which synthetic fibre has a curved cross section, wherein the synthetic fibre has a centre line arc length to maximum thickness of less than 8, preferably between 4.5 and 3.8, and even more preferably between 4.4 and 4.0. In an other aspect of the invention, a synthetic fibre is provided of the monofilament type for use in an artificial lawn, in particular an artificial sports lawn, which synthetic fibre has a curved cross section, wherein the circumferential surface of the fibre is provided with a wave shaped pattern.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 3, 2013
    Applicant: Ten Cate Thiolon B.V.
    Inventors: Jean-Claude Auguste, Harry R. Ma