Patents by Inventor David Pitchko

David Pitchko 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).

  • Cinchpac self-loading rotary shaft seal
    Patent number: 7178806
    Abstract: A seal for a conveyor drive which has an elastomer which is compressed between a cap ring and a housing.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: February 20, 2007
    Inventors: David Pitchko, Joseph Bartle