Patents by Inventor Joseph Bistran

Joseph Bistran 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).

  • Method and apparatus for vacuum assisted venting
    Publication number: 20030102590
    Abstract: A method and apparatus for vacuum assisted venting of an injection mold. The apparatus includes a main body structured to be mounted around an outer circumference of the injection mold and configured to facilitate application of a vacuum pressure therein. The method and apparatus are particularly directed towards preventing the accumulation of residual material inside an injection mold and reducing the frequency of disassembly and cleaning required for the injection mold.
    Type: Application
    Filed: January 9, 2003
    Publication date: June 5, 2003
    Applicant: WEA Manufacturing Inc.
    Inventors: Edward Pickutoski, Joseph Bistran, Lewis Gensel, William Mueller
  • Apparatus for vacuum assisted venting
    Patent number: 6527538
    Abstract: A method and apparatus for vacuum assisted venting of an injection mold. The apparatus includes a main body structured to be mounted around an outer circumference of the injection mold and configured to facilitate application of a vacuum pressure therein. The method and apparatus are particularly directed towards preventing the accumulation of residual material inside an injection mold and reducing the frequency of disassembly and cleaning required for the injection mold.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: March 4, 2003
    Assignee: WEA Manufacturing Inc.
    Inventors: Edward Pickutoski, Joseph Bistran, Lewis Gensel, William Mueller