Patents by Inventor Craig Parkinson

Craig Parkinson 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).

  • Liquid level monitoring assemblies
    Patent number: 4739786
    Abstract: A monitoring assembly (20) which has a plurality of sensors (24) arranged in spaced relationship along a body (23) which may be suspended from a coded multicore cable (25) in a reservoir to monitor liquid levels therein. Each sensor (24) is connected to a respective coded core (43) of the multicore cable (25) such that any sensor (24) may be selectively coupled to remote control apparatus.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: April 26, 1988
    Inventor: Craig Parkinson