Patents by Inventor Calvin E. Carter

Calvin E. Carter 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: 4866923
    Abstract: A traveller for use in a textile spinning and twisting machine, includes a substantially C-shaped member adapted to engage and travel about a ring of the machine, the member having an outer surface and an inner surface constituting a yarn guide path on which yarn travels, the yarn guide path on the inner surface being free of any mold parting line, the traveller being formed in a mold and the yarn guide path on the inner surface being formed by a groove in an ejector pin of the mold.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: September 19, 1989
    Assignee: Coats & Clark Inc.
    Inventor: Calvin E. Carter