Patents by Inventor Frank Sittnick

Frank Sittnick 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).

  • Air brake locking device and system
    Patent number: 8602506
    Abstract: An air brake locking device for a vehicle includes a main body having a pair of internal channels capable of connecting to a vehicle air line, a valve interposed between the internal channels for controlling the flow of air, and a control unit for regulating the operation of the valve.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 10, 2013
    Inventor: Frank Sittnick
  • AIR BRAKE LOCKING DEVICE AND SYSTEM
    Publication number: 20130082515
    Abstract: An air brake locking device for a vehicle includes a main body having a pair of internal channels capable of connecting to a vehicle air line, a valve interposed between the internal channels for controlling the flow of air, and a control unit for regulating the operation of the valve.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 4, 2013
    Inventor: Frank Sittnick