Patents by Inventor Robert M. Ingham, Jr.

Robert M. Ingham, Jr. 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).

  • Open end spun slub yarn
    Patent number: 4144703
    Abstract: Method and apparatus to produce slub or thick and thin yarns with twist variation on open end spinning machines by changing the speed of the yarn as it exits from the rotor of the open end spinning machine. The speed of the yarn is varied by a pivotally mounted lever member which varies the length of the yarn from the exit of the rotor to the yarn delivery rolls.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: March 20, 1979
    Assignee: Milliken Research Corporation
    Inventor: Robert M. Ingham, Jr.
  • Handling yarn in a combination false twist and co-mingling jet apparatus
    Patent number: 4117656
    Abstract: The combination of a suction device to maintain yarn flow through a co-mingling jet apparatus during doffing of a completed yarn package. The co-mingling jet is an air jet employing an air inlet substantially perpendicular to the thread line through the jet.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: October 3, 1978
    Assignee: Milliken Research Corporation
    Inventor: Robert M. Ingham, Jr.