Patents by Inventor Matthew J. C. Witt

Matthew J. C. Witt 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).

  • Piston cleaning and coating method and apparatus
    Patent number: 6189548
    Abstract: A method and apparatus for washing and drying a piston and thereafter coating the piston skirt with a dry film lubricant coating and oven-curing said coating. In the washing and drying operation the piston is carried through the apparatus on a conveyor, is spun while wash solution is sprayed on it, is spun while rinse water is sprayed on it, is spun to throw off rinse water, and has air blown against it to remove moisture from its surface. A flash chamber is used in the curing step.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: February 20, 2001
    Inventors: Matthew J. C. Witt, Clark B. Langmack
  • Piston cleaning and coating method and apparatus
    Patent number: 5993564
    Abstract: A method and apparatus for washing and drying a piston and thereafter coating the piston skirt with a dry film lubricant coating and oven-curing said coating. In the washing and drying operation the piston is carried through the apparatus on a conveyor, is spun while wash solution is sprayed on it, is spun while rinse water is sprayed on it, is spun to throw off rinse water, and has air blown against it to remove moisture from its surface. A flash chamber is used in the curing step.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: November 30, 1999
    Assignee: Matthew J. C. Witt
    Inventors: Matthew J. C. Witt, Clark B. Langmack