Patents by Inventor Konomu Sugimoto

Konomu 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).

  • Pumping device for liquid containers
    Patent number: 4986452
    Abstract: A pumping device for a liquid container comprises a bellows body with upper and lower plates. The upper plate has a suction port adapted to be communicated with the atmosphere, , and the lower plate has an exhaust port adapted to be communicated with an interior of the liquid container a suction valve is adapted to open and close the suction port; and a bellows return spring is adapted to expand the bellows body. A stop valve assembly is arranged in the bellows body and forms a bypath for communicating the interior of the bellows body with the interior of the container.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: January 22, 1991
    Assignee: Zojirushi Corporation
    Inventors: Toyohiko Takatsuki, Masahiro Yoshida, Konomu Sugimoto, Ryoichi Sakaguchi