Patents Assigned to American & Efird, Inc.
  • Sewing thread
    Patent number: 7905081
    Abstract: An improved sewing thread and method of making it where at least one strand of spun yarn is composed of 100% staple fibers and has a high level of single twist that is equal to or greater than 4 more turns per inch than that of the ply twisted final product.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: March 15, 2011
    Assignee: American & Efird, Inc.
    Inventor: N. Geoffrey Greenberg
  • Sewing thread
    Publication number: 20090308047
    Abstract: An improved sewing thread and method of making it where at least one strand of spun yarn is composed of 100% staple fibers and has a high level of single twist that is equal to or greater than 4 more turns per inch than that of the ply twisted final product.
    Type: Application
    Filed: August 17, 2009
    Publication date: December 17, 2009
    Applicant: American & Efird, Inc.
    Inventor: N. Geoffrey Greenberg
  • Sewing thread
    Patent number: 7594381
    Abstract: An improved sewing thread and method of making it where at least one strand of spun yarn is composed of 100% staple fibers and has a high level of single twist that is equal to or greater than 4 more turns per inch than that of the ply twisted final product.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: September 29, 2009
    Assignee: American & Efird, Inc.
    Inventor: N. Geoffrey Greenberg
  • Processing textile strands
    Patent number: 6014854
    Abstract: Wound bobbins of yarn are exposed to constant tensioning treatment to eliminate variances in hot air shrinkage caused by the manufacturing processes used to make the strands.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: January 18, 2000
    Assignee: American & Efird, Inc.
    Inventor: N. Geoffrey Greenberg
  • Heat treatment of textile strands prior to plying
    Patent number: 5791135
    Abstract: Wound bobbins of yarn are exposed to a high temperature heat treatment step to eliminate variances in hot air shrinkage caused by the manufacturing processes used to make the strands.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: August 11, 1998
    Assignee: American & Efird, Inc.
    Inventor: N. Geoffrey Greenberg