Patents by Inventor Borenstein, David E.

Borenstein, David E. 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 jet entangler
    Patent number: 4639986
    Abstract: A filament jet entangler comprising a supporting bracket and a jet insert mounted thereon, the jet insert including a cylindrical yarn confining passage extending therethrough and intersected by a pair of coplanar fluid jet ports whose axes intersect at the cylindrical wall defining the yarn confining passage and define an included angle of about 48.degree..
    Type: Grant
    Filed: April 1, 1981
    Date of Patent: February 3, 1987
    Assignee: Phillips Petroleum Company
    Inventor: Borenstein, David E.