Patents by Inventor Duncan Howie

Duncan Howie 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).

  • Water treatment cartridge
    Patent number: 10328367
    Abstract: A water treatment cartridge includes a base having a recess therein. One outlet is located in the recess in the base and at least one further outlet is located away from the recess in the base. The outlet located in the recess in the base may be surrounded by an annular wall which projects away from the base of the water treatment cartridge to cooperate with a hopper in which the cartridge is fitted. The outlets can be designed to restrict the flow of water through the cartridge independently of any hopper in which the cartridge is mounted.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: June 25, 2019
    Assignee: Strix Limited
    Inventor: Duncan Howie
  • WATER TREATMENT APPARATUS
    Publication number: 20140138302
    Abstract: A water treatment cartridge includes a base having a recess therein. One outlet is located in the recess in the base and at least one further outlet is located away from the recess in the base. The outlet located in the recess in the base may be surrounded by an annular wall which projects away from the base of the water treatment cartridge to cooperate with a hopper in which the cartridge is fitted. The outlets can be designed to restrict the flow of water through the cartridge independently of any hopper in which the cartridge is mounted.
    Type: Application
    Filed: May 4, 2012
    Publication date: May 22, 2014
    Inventor: Duncan Howie