Patents by Inventor Dahong Lu

Dahong Lu 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).

  • Pet water dispensing device, pet drinking and eating disc, water dispenser, and pet food supply method
    Patent number: 11849711
    Abstract: Disclosed are a pet water dispensing device, a pet drinking and eating disc, a water dispenser, and a pet food supply method. The pet water dispensing device includes a base and a water supply valve, a drinking and eating disc accommodating cavity is formed on at least one side surface of the base, the water supply valve corresponding to the drinking and eating disc accommodating cavity is disposed on the base, the water outlet end of the water supply valve communicates with the drinking and eating disc accommodating cavity, when the extension end of the valve rod of the water supply valve is configured to be driven by the pet drinking and eating disc placed at the drinking and eating disc accommodating cavity, the water supply valve is switched from a closed state to an open state.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: December 26, 2023
    Inventor: Dahong Lu
  • PET WATER DISPENSING DEVICE, PET DRINKING AND EATING DISC, WATER DISPENSER, AND PET FOOD SUPPLY METHOD
    Publication number: 20220030830
    Abstract: Disclosed are a pet water dispensing device, a pet drinking and eating disc, a water dispenser, and a pet food supply method. The pet water dispensing device includes a base and a water supply valve, a drinking and eating disc accommodating cavity is formed on at least one side surface of the base, the water supply valve corresponding to the drinking and eating disc accommodating cavity is disposed on the base, the water outlet end of the water supply valve communicates with the drinking and eating disc accommodating cavity, when the extension end of the valve rod of the water supply valve is configured to be driven by the pet drinking and eating disc placed at the drinking and eating disc accommodating cavity, the water supply valve is switched from a closed state to an open state.
    Type: Application
    Filed: January 29, 2019
    Publication date: February 3, 2022
    Inventor: Dahong Lu