Patents by Inventor Nobuo Serizawa

Nobuo Serizawa 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).

  • Constant feed apparatus
    Patent number: 4386719
    Abstract: A constant feed apparatus in which a straight tubular housing into which a material is fed has provided therein at least one rotary arm which rotates in the proximity of the bottom surface of the tubular housing, and at least one discharging port is provided in the internal surface of the tubular housing which the rotary arm comes to oppose while the rotary arm is rotating, whereby the material in the tubular housing is conveyed to the discharging port by the rotary arm and discharged out through the discharging port.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: June 7, 1983
    Inventor: Nobuo Serizawa