Patents by Inventor Derek Withrington

Derek Withrington 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).

  • Marine sanitising and deodorising device
    Patent number: 9663931
    Abstract: A marine sanitizing and deodorizing device comprises a reservoir for containing sanitizing fluid, a dose controllable pump for discharging a predetermined dose of sanitizing fluid from the reservoir into a water inlet conduit of a marine toilet system, a flow detector for detecting the flow of water within the water inlet conduit, and a controller for controlling the dose controllable pump upon flow detection by the in use flow detector.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: May 30, 2017
    Inventor: Derek Withrington