Patents by Inventor Wai Kin CHAU

Wai Kin CHAU 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).

  • Patent number: 10334992
    Abstract: A rotary unit selectively adds additives to water in a conventional bathtub automatically without a bather having to touch the additives or leave the conventional bathtub to get the additives. The rotary unit includes a plurality of pressurized canisters and a controller. The plurality of pressurized canisters are configured in a circular configuration and are disposed directly adjacent to, and communicatable with, the conventional bathtub. Each pressurized canister contains a different one of the additives. The controller is in communication with the plurality of pressurized canisters, and as such, the controller is utilized to choose one of the additives to add to the water in the conventional bathtub automatically without the bather having to touch the chosen one of the additives or leave the conventional bathtub to get the chosen one of the additives.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: July 2, 2019
    Inventor: Wai Kin Chau
  • Patent number: 10302303
    Abstract: A cigarette lighter of the embodiments of the present invention that safely moves through dangerous areas and method of use. The cigarette lighter includes a lower section, an upper section, and a fuel flow controller. The upper section is replaceably attached to the lower section. The fuel flow controller interfaces with the lower section and the upper section and controls a flow of a fuel from the lower section where stored to the upper section where ignited.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: May 28, 2019
    Inventor: Wai Kin Chau
  • Publication number: 20190075976
    Abstract: A rotary unit selectively adds additives to water in a conventional bathtub automatically without a bather having to touch the additives or leave the conventional bathtub to get the additives. The rotary unit includes a plurality of pressurized canisters and a controller. The plurality of pressurized canisters are configured in a circular configuration and are disposed directly adjacent to, and communicatable with, the conventional bathtub. Each pressurized canister contains a different one of the additives. The controller is in communication with the plurality of pressurized canisters, and as such, the controller is utilized to choose one of the additives to add to the water in the conventional bathtub automatically without the bather having to touch the chosen one of the additives or leave the conventional bathtub to get the chosen one of the additives.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 14, 2019
    Inventor: Wai Kin Chau
  • Publication number: 20180252408
    Abstract: A cigarette lighter of the embodiments of the present invention that safely moves through dangerous areas and method of use. The cigarette lighter includes a lower section, an upper section, and a fuel flow controller. The upper section is replaceably attached to the lower section. The fuel flow controller interfaces with the lower section and the upper section and controls a flow of a fuel from the lower section where stored to the upper section where ignited.
    Type: Application
    Filed: May 3, 2017
    Publication date: September 6, 2018
    Inventor: Wai Kin CHAU