Patents by Inventor Kevin L. Lefeel

Kevin L. Lefeel 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).

  • De-icer
    Patent number: 4747575
    Abstract: A chattering valve for use in a pulse pneumatic de-icer.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: May 31, 1988
    Assignee: The B. F. Goodrich Company
    Inventors: James C. Putt, Kevin L. Lefeel