Patents by Inventor John R. Plautz

John R. Plautz 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: 4395196
    Abstract: A structure for and a method of mechanically locking an abrasive matrix material in honeycomb structure in a shroud for a turbine engine. The mechanical lock may be lanced portions of the honeycomb structure extending into adjacent honeycomb cells to engage the abrasive matrix material. In the method of the invention the lancing is accomplished during the manufacture of the honeycomb structure so that it engages the abrasive matrix material prior to setting thereof in the honeycomb material.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: July 26, 1983
    Inventor: John R. Plautz