Patents by Inventor Bruce V. Buskirk

Bruce V. Buskirk 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).

  • Apparatus for cleaning braebender-type mixing apparatus
    Patent number: 5139408
    Abstract: A cleaning insert for insertion into a disassembled braebender-type mixing apparatus, wherein the inserted cleaning insert separates the two cavities of the apparatus allowing each to be cleaned of reside from a polymeric composition without permitting the passage of loosened residue therebetween. Also provided is an improved method of cleaning a braebender-type mixing apparatus utilizing the cleaning insert.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: August 18, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Michael F. Cummings, Bruce V. Buskirk, Raymond E. Trunk