Patents by Inventor Horace E. Amstell

Horace E. Amstell 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).

  • Filament cutting
    Patent number: 4169398
    Abstract: Process and apparatus for cutting filamentary material using apparatus comprising a reel fitted with a plurality of spaced outwardly facing knife blades against which the material to be cut is wound and then severed by applied pressure, wherein entanglement of cut fibre is reduced or obviated by impingement against a divergent surface attached to and rotating with the cutter reel.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: October 2, 1979
    Assignee: Imperial Chemical Industries, Inc.
    Inventors: Cyril Wadsworth, Horace E. Amstell