Patents by Inventor Seiichi Okui

Seiichi Okui 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).

  • Welding and cutting apparatus
    Patent number: 4022442
    Abstract: The present invention relates to a device for welding and cutting stainless steel or other various alloys wherein the mixture of pure oxygen and metallic powder mainly made of iron is jetted under high pressure at an object to weld or cut which is welded or cut at high heat by the effect of metallic powder combustion and that of oxygen conducive to the combustion.
    Type: Grant
    Filed: June 13, 1975
    Date of Patent: May 10, 1977
    Inventor: Seiichi Okui