Patents by Inventor Bruce J. Humphrey

Bruce J. Humphrey 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).

  • Cellular tumble coater
    Patent number: 5201956
    Abstract: An apparatus is disclosed for coating articles with a coating material by vapor deposition wherein a cellular fixture is employed for tumble coating the articles. The cellular fixture comprises multiple cells disposed radially about a common axis of rotation. The cells comprise hollow members having side walls with a plurality of openings therethrough to permit the flow of vapors of coating material, e.g. parylene, through the openings into the cells.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: April 13, 1993
    Assignee: Specialty Coating Systems Inc.
    Inventors: Bruce J. Humphrey, Roger A. Olson