Patents by Inventor Kanae Aida

Kanae Aida 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).

  • Water heater
    Patent number: 4627416
    Abstract: A water heater is disclosed having a heat exchanger, a main burner means for heating the heat exchanger, a standing burner, a main fuel passage means for supplying fuel to the main burner, a manual valve on the main fuel passage means which is operable by a manual operation member, an automatic valve disposed on the main fuel passage means at a point downstream from the manual valve, the automatic valve adapted to open in response to the pressure of a supply of water at a water pressure sensitive member, and a standing burner fuel passage means for supplying fuel to the standing burner, the standing burner fuel passage means drawing fuel from the main fuel passage means at a point in between the manual valve and the automatic valve.
    Type: Grant
    Filed: March 6, 1984
    Date of Patent: December 9, 1986
    Assignee: Rinnai Kabushiki Kaisha
    Inventors: Hiroshi Ito, Kanae Aida, Masanobu Shinozaki, Masahiko Koumura, Kazumi Tamada, Katsushi Mizutani