Patents by Inventor Gerard J. Burger

Gerard J. Burger 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).

  • Insulating flow and bushing blocks, bushing assemblies, fiber forming apparatus and method for forming fibers
    Patent number: 6044666
    Abstract: An insulating flow block having a plurality of bores extending therethrough to permit the flow of molten fiberizable material through the block, a bushing assembly having a bushing block with one or more bores extending through a peripheral region thereof to divert a portion of a supply of molten fiberizable material from a central region of the bushing block to the peripheral region of the bushing block, and a bushing positioned in general registry with the bore of the peripheral region of the bushing block to facilitate the flow of molten fiberizable material to a peripheral region of the bushing is disclosed.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: April 4, 2000
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Gerard J. Burger, Dennis S. Postupack, Robert A. Roach, James W. Koewing