Patents by Inventor Okabe Tatsuo

Okabe Tatsuo 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).

  • Deaerator for removing dissolved oxygen in water
    Patent number: 5203890
    Abstract: With the purpose of removing dissolved oxygen in feed water, deaerator including a deaerating tank with a relatively simple structure is provided inside or outside the water tank. By creating a vacuum zone in the deaerating tank, dissolved oxygen in water is gasified and separated from water to inhibit and prevent the formation of rust in the water tank, water supply pipings, etc.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: April 20, 1993
    Inventor: Okabe Tatsuo