Patents by Inventor Hiromichi Toyota, deceased

Hiromichi Toyota, deceased 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).

  • Pneumatically fed powder supply system and powder coating apparatus
    Patent number: 5928423
    Abstract: A color-changing powder supply system for use in powder coating, etc. which can perform the color changing in a shorter time, has a simpler structure, requires less expensive equipment cost and installation/setup cost, and can be operated more easily and surely than prior art systems, and a powder coating system which has a high effective rate of operation by utilizing the powder supply system. The pneumatically fed powder supply system comprises a powder tank, a powder supply apparatus detachably connected to the powder tank, and means for cleaning the powder supply apparatus. The powder coating system employs the pneumatically fed powder supply system.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: July 27, 1999
    Assignee: Rid Corporation
    Inventors: Hiromichi Toyota, deceased, Yasuhiro Sawada