Patents by Inventor James L. Federighi

James L. Federighi 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).

  • Static material mixing apparatus
    Patent number: 4936689
    Abstract: A static material-mixing apparatus is disclosed. The static material-mixing apparatus comprises a conduit having an axis and defining a chamber extending longitudinally therethrough opening on first and second ends of the conduit and a mixing element including two continuous segments in the chamber between the first and second ends, each having a generally sinuous cross-section between the first and second ends, the segments being disposed in radially spaced relationship with each other.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: June 26, 1990
    Assignee: Koflo Corporation
    Inventors: James L. Federighi, Anthony R. Federighi
  • Static material mixing apparatus
    Patent number: 4511258
    Abstract: A motionless mixing device includes a conduit having a mixing element therein which is formed by deforming flat stock material. The mixing element includes two substantially identical segments or halves that each having a sinuous cross-section between opposite ends and are interconnected along the center of the conduit with the two segments being axially staggered with respect to each other.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: April 16, 1985
    Assignee: Koflo Corporation
    Inventors: James L. Federighi, Frank F. Federighi