Patents by Inventor Wakizi Sugimoto

Wakizi Sugimoto 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).

  • Combustion safety device for a gas heater
    Patent number: 4718846
    Abstract: A combustion safety device for the counter-action against oxygen deficiency in a gas heater which is provided with a main burner of the surface combustion type and with an oxygen-deficiency detecting burner of a Bunsen type, in which a primary-air hole of the oxygen deficiency detecting burner is made to communicate with the primary-air supply chamber or distributing chamber of the main burner.
    Type: Grant
    Filed: February 28, 1985
    Date of Patent: January 12, 1988
    Assignee: Rinnai Corporation
    Inventors: Minoru Oguri, Wakizi Sugimoto