Patents by Inventor Barry J. Weissman

Barry J. Weissman 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: 5628916
    Abstract: A method for filtering edible oils utilizing a backwashable filter assembly. A filter system having at least two filter assemblies may be utilized to remove bleaching clay and/or nickel catalyst from oil being processed for human consumption. The filter assemblies may be connected in a series and tandem manner to provide continuous and uninterrupted filtering of the edible oil. Each filter assembly preferably comprises multiple, substantially cylindrical filter elements having a porous filter medium which may be formed from polyaramid fibers. The filter elements are designed to withstand the elevated temperatures used in edible oil processing and for ease of cleaning during backwashing.
    Type: Grant
    Filed: November 9, 1995
    Date of Patent: May 13, 1997
    Assignee: Pall Corporation
    Inventors: Donald B. Stevens, Leonard R. Castellano, Thomas C. Gsell, Jeffrey M. Seibert, Barry J. Weissman
  • Patent number: 5407582
    Abstract: A method of treating fossil-fueled power generating plant condensate at start-up by passing the contaminated condensate at start-up of a power generating plant through a filter medium prior to or in the absence of passing the condensate through a precoat or resin bed.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: April 18, 1995
    Assignee: Pall Corporation
    Inventors: Thomas W. Poschmann, Barry J. Weissman
  • Patent number: 4341801
    Abstract: An ultrafiltration step is used in the production of cream cheese to provide a cheese pre-mix which is cultured to form cream cheese without generating whey. The raw materials for this process include whole milk, cream and whey protein solids. The whey protein solids are substituted for the skim milk powder formerly used. Ultrafiltration yields a retentate having the butterfat and non-fat solids content required for cream cheese manufacture.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: July 27, 1982
    Assignee: Dorr-Oliver Incorporated
    Inventor: Barry J. Weissman