Patents by Inventor Robert John Kultzow

Robert John Kultzow 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).

  • Use of expandable epoxy systems for barrier materials in high voltage liquid-filled transformers
    Patent number: 6271463
    Abstract: The present invention relates to a high voltage liquid-filled transformer including a housing and a dielectric liquid impregnated barrier material within the housing. The barrier material is prepared from an expandable epoxy resin formulation comprising: (i) at least one polyglycidyl compound; (ii) at least one curing agent for the polyglycidyl compound; and (iii) at least one blowing agent. An additional aspect of the present invention is a novel barrier component for a liquid-filled transformer. The present invention also relates to a method for manufacturing the novel barrier component. The present invention also relates to a method of manufacturing the transformer.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: August 7, 2001
    Assignee: Vantico Inc.
    Inventors: Robert John Kultzow, Mangesh Yeshwant Rajadhyaksha, Luciano Pilato, William Bin Ferng