Patents by Inventor Lorenzo D. Geren

Lorenzo D. Geren 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).

  • Transfer apparatus
    Patent number: 4466766
    Abstract: An apparatus for transferring wafers between a process carrier and a furnace carrier. The apparatus lifts a plurality of wafers from one carrier and deposits them into another carrier without damage to the wafers or touching any more than the edge surfaces and adjacent areas of the wafers.
    Type: Grant
    Filed: May 24, 1983
    Date of Patent: August 21, 1984
    Assignee: Ruska Instrument Corporation
    Inventors: Lorenzo D. Geren, deceased, Raymond D. Worden
  • Method of packaging and product made thereby
    Patent number: 4109792
    Abstract: Side gusseted industrial bags are continuously (or intermittently) formed from continuous web materials, and simultaneously filled and sealed in one fast operation by the method and apparatus of this invention.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: August 29, 1978
    Assignee: The Dow Chemical Company
    Inventors: Eddie L. Greenawalt, Lorenzo D. Geren
  • Form, fill and seal industrial bag machine
    Patent number: 4073121
    Abstract: Side gusseted industrial bags are continuously (or intermittently) formed from continuous web materials, and simultaneously filled and sealed in one fast operation by the method and apparatus of this invention.
    Type: Grant
    Filed: January 26, 1977
    Date of Patent: February 14, 1978
    Assignee: The Dow Chemical Company
    Inventors: Eddie L. Greenawalt, Lorenzo D. Geren