Patents by Inventor Eijiro Ueno

Eijiro Ueno 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).

  • Air-borne transportation system conveying truck
    Patent number: 4113202
    Abstract: A conveying truck transported by absorption force or forcing force within a transportation tube, the truck being provided at rear and front thereof with a pad for carrying wheels and a seal plate for receiving a displaceable and movable seal material within an outer peripheral groove. Each pad is supported on a rotational shaft, which projects at rear and front of the truck. By being mounted on bearings, the truck itself is rotatable relative to the pads and the seal plates.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: September 12, 1978
    Assignee: Ueno Kohgyo Limited
    Inventor: Eijiro Ueno
  • Conveyance truck with movable seal plates
    Patent number: 4042190
    Abstract: A conveyance truck for an air conveyance system provided with movable seal plates. The seal plates are so mounted to always and completely maintain the air-tightness between the transport tube and the conveyance truck.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: August 16, 1977
    Assignees: Ueno Kohgyo Ltd., Taishin Kohgyo Co., Ltd.
    Inventor: Eijiro Ueno