Patents by Inventor Robert Kenneth Campbell

Robert Kenneth Campbell 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).

  • Rail system
    Publication number: 20230048791
    Abstract: A rail system comprises: a guide rail; a plurality of stationary electromagnets mounted in the guide rail; and a carriage having a plurality of wheels configured to travel along the guide rail. The wheels are magnets. Movement of the carriage along the guide rail is brought about by a fluctuating magnetic field generated by the stationary electromagnets acting on the wheels.
    Type: Application
    Filed: January 29, 2021
    Publication date: February 16, 2023
    Inventors: Kerry Hayes, Robert Kenneth Campbell