Patents by Inventor Ling Liu Tuan

Ling Liu Tuan 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: 9351480
    Abstract: A fish food dispensing assembly is comprised of: (A) a handle member; (B) a perforated container that is selectively magnetically linked to a handle member; and (C) a fish food containment ring configured to be magnetically linked to the perforated container and to the handle member. The perforated container is configured to receive fish food therein and is placed within the containment ring such that the fish food dispensed within the aquarium is substantially dispensed within a specific location within the aquarium. A floating containment ring orients a brush plate in convenient parallel position for convenient linking to the handle member. LEDs on the handle member provide illumination in different colors.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: May 31, 2016
    Inventors: Ling Liu Tuan, Charles T. Tuan
  • Patent number: 9089116
    Abstract: A fish food dispensing assembly includes (i) a handle member; and (ii) a perforated container that is selectively, magnetically linked to the handle member with an aquarium panel therebetween. The perforated container is configured to receive fish food therein and to dispense fish food therefrom in a liquid environment. The fish food dispensing assembly also acts as a cleaner and can be moved with respect to the aquarium in order to clean the aquarium and/or position the fish food dispensing assembly in desired locations for feeding fish within the aquarium.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: July 28, 2015
    Inventors: Ling Liu Tuan, Charles T. Tuan
  • Publication number: 20140261215
    Abstract: A fish food dispensing assembly is comprised of: (A) a handle member; (B) a perforated container that is selectively magnetically linked to a handle member; and (C) a fish food containment ring configured to be magnetically linked to the perforated container and to the handle member. The perforated container is configured to receive fish food therein and is placed within the containment ring such that the fish food dispensed within the aquarium is substantially dispensed within a specific location within the aquarium. A floating containment ring orients a brush plate in convenient parallel position for convenient linking to the handle member. LEDs on the handle member provide illumination in different colors.
    Type: Application
    Filed: December 27, 2013
    Publication date: September 18, 2014
    Inventors: Ling Liu Tuan, Charles T. Tuan
  • Publication number: 20140261211
    Abstract: An illuminating system for illuminating a vivarium from the side panel of a vivarium using light emitting diodes. A containment ring for dispensing fish food within an aquarium. A perforated container with a lid for dispensing food within a vivarium. A brush for cleaning a vivarium. A method for soaking food in a sinking tray. A method of dispensing bait from a perforated container.
    Type: Application
    Filed: May 28, 2014
    Publication date: September 18, 2014
    Inventors: Ling Liu Tuan, Charles T. Tuan
  • Publication number: 20140261214
    Abstract: A fish food dispensing assembly includes (i) a handle member; and (ii) a perforated container that is selectively, magnetically linked to the handle member with an aquarium panel therebetween. The perforated container is configured to receive fish food therein and to dispense fish food therefrom in a liquid environment. The fish food dispensing assembly also acts as a cleaner and can be moved with respect to the aquarium in order to clean the aquarium and/or position the fish food dispensing assembly in desired locations for feeding fish within the aquarium.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 18, 2014
    Inventors: Ling Liu Tuan, Charles T. Tuan