Patents by Inventor Keizo Honma

Keizo Honma 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).

  • Device for capturing air bubbles from fluids in piping
    Patent number: 4388944
    Abstract: A device for capturing air from fluids in piping and for rendering noiseless the flow of fluids in piping. The device comprises an elongated body which is connected to the piping through inlet and outlet openings. The inlet opening is directed transversely to the flow of fluids within the elongated body, so that the fluids introduced into the body is vigorously agitated and bubbled for the effective capture of air contained in the fluids.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: June 21, 1983
    Assignee: Keizo Honma
    Inventors: Keizo Honma, Kunizo Honma
  • Air eliminator for plumbing systems or the like
    Patent number: D272262
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: January 17, 1984
    Inventor: Keizo Honma
  • Air eliminator for plumbing systems
    Patent number: D287997
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: January 27, 1987
    Inventor: Keizo Honma