Patents by Inventor Keitaro Baba

Keitaro Baba 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).

  • Bucket elevator-type continuous unloader
    Patent number: 4830177
    Abstract: A bucket elevator-type continuous unloader in which guide rails are provided on a frame of a horizontal scraping section and rollers engaging with each guide rail are provided for a train of elevator buckets, wherein the guide rails are adapted to be engaged with or disengaged from the rollers of the train of elevator buckets, whereby both a lateral scraping system, in an engaged state and a catenary scraping system in a disengaged state can be selectively adopted.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: May 16, 1989
    Assignee: Sumitomo Heavy Industries, Ltd.
    Inventors: Keitaro Baba, Yoshitaka Yagi