Patents by Inventor Arnold S. Goldstein

Arnold S. Goldstein 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: 5231743
    Abstract: A self-stringing jet device which is compact, easy to disassemble, and easy to string up includes a body, a yarn inlet section, and a movable venturi located at the outlet end of the jet. The venturi may be moved from a string up position to an operating position by engaging the movable venturi located within the jet with a tapered pin that matches a v-shaped groove in the venturi to act as a cam to move the venturi to the string-up position.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: August 3, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Arnold S. Goldstein
  • Patent number: 5079813
    Abstract: Interlace jets are improved by providing yarn passageways that flare outwardly, being defined by surfaces that are gently convexly curved. A preferred stacked interlace jet assembly is provided with jet members of oval configuration.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: January 14, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Brian M. Agers, Jimmie S. Daughtry, Arnold S. Goldstein, Steven B. Johnson, George S. Tuggle
  • Patent number: 4492009
    Abstract: A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, a movable venturi and a cylindrical baffle located at the outlet end of the jet. The venturi may be moved from a string up position to an operating position between positive set points engaging the movable venturi located within the jet.
    Type: Grant
    Filed: September 29, 1983
    Date of Patent: January 8, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Brian M. Agers, Arnold S. Goldstein