Patents by Inventor Donghui HAO

Donghui HAO 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).

  • Acid steam cleaning apparatus and acid steam cleaning method
    Patent number: 10864560
    Abstract: An acid steam cleaning apparatus for cleaning vessels using acid steam, comprising: a raw acid liquid container (1), a heater (2), a cleaning cavity (3), a double-walled tube, and a controller.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: December 15, 2020
    Assignee: Amerlab Scientific LLC
    Inventor: Donghui Hao
  • Acid purifier
    Patent number: 10220329
    Abstract: An acid purifier, comprising: a container (1) for an acid to be purified; a heater (2); a condenser (3) including a Peltier semiconductor cooler, a condenser body (600) and a refrigerant temperature sensor; a purified acid liquid collection bottle (4) connected with the condenser; a controller; an integrated liquid level control component (300) for the acid to be purified, connected with the container (1) for the acid to be purified, and arranged in such a way that a liquid level pipe (320), a liquid adding funnel (310) and a waste liquid discharge valve (330) are integrated; and an acid liquid temperature sensor (400, 500) arranged in the acid to be purified.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: March 5, 2019
    Assignee: AMERLAB SCIENTIFIC LLC
    Inventor: Donghui Hao
  • ACID STEAM CLEANING APPARATUS AND ACID STEAM CLEANING METHOD
    Publication number: 20180361441
    Abstract: An acid steam cleaning apparatus for cleaning vessels using acid steam, comprising: a raw acid liquid container (1), a heater (2), a cleaning cavity (3), a double-walled tube, and a controller.
    Type: Application
    Filed: January 26, 2016
    Publication date: December 20, 2018
    Inventor: Donghui HAO
  • ACID PURIFIER
    Publication number: 20180280829
    Abstract: An acid purifier, comprising: a container (1) for an acid to be purified; a heater (2); a condenser (3) including a Peltier semiconductor cooler, a condenser body (600) and a refrigerant temperature sensor; a purified acid liquid collection bottle (4) connected with the condenser; a controller; an integrated liquid level control component (300) for the acid to be purified, connected with the container (1) for the acid to be purified, and arranged in such a way that a liquid level pipe (320), a liquid adding funnel (310) and a waste liquid discharge valve (330) are integrated; and an acid liquid temperature sensor (400, 500) arranged in the acid to be purified.
    Type: Application
    Filed: January 26, 2016
    Publication date: October 4, 2018
    Inventor: Donghui HAO