Patents by Inventor Keiichi OOTANI

Keiichi OOTANI 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).

  • SEALING DEVICE
    Publication number: 20190264812
    Abstract: A sealing device seals between a rotating shaft inserted into a container and the container. The sealing device includes a housing positioned around the rotating shaft and fixed to the container, a filler filled between the housing and the rotating shaft, and a holding mechanism part securing the filler positioned between the housing and the rotating shaft. The holding mechanism part includes a storing chamber in which the filler is stored in a housing side with respect to the rotating shaft, and a driving part which projects to the storing chamber fixed to the rotating shaft and is driven to flow the filler.
    Type: Application
    Filed: December 13, 2018
    Publication date: August 29, 2019
    Applicant: Sanwa Koki Kabushiki Kaisha
    Inventor: Keiichi OOTANI