Patents by Inventor Kunimatsu Hayashida

Kunimatsu Hayashida 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).

  • Lip seal
    Patent number: 4568092
    Abstract: A seal comprises a disk flared to bear on a machine element to be sealed at two zones separated by an axial distance therealong has the machine element. The side of the flared disk along two hydrodynamically-acting back-feed elements which intersect each other.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: February 4, 1986
    Assignee: Firma Carl Freudenberg
    Inventors: Kunimatsu Hayashida, Hermann Rapp, Dieter Fuchs