Patents by Inventor Ituo Tagawa

Ituo Tagawa 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).

  • Apparatus for crushing building materials
    Patent number: 4196862
    Abstract: Apparatus for crushing building materials such as concrete blocks with a uniform pressure. Crushing jaws are separately pivotably attached to side support plates in a disclosed manner so that no shock forces produced during crushing are transmitted to a supporting boom. Water is sprayed on an object as it is crushed to prevent the spread of dust produced during crushing into the atmosphere.
    Type: Grant
    Filed: September 6, 1978
    Date of Patent: April 8, 1980
    Inventor: Ituo Tagawa