Patents by Inventor Jong-Ho Ro

Jong-Ho Ro 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).

  • Patent number: 5335570
    Abstract: An automatic pipe cutting device chiefly cuts a metal pipe of small thickness. This pipe cutting device has a pipe fixing element for clamping and releasing the pipe and a pipe cutter incorporating cutting bits. A pipe cutting length adjuster means with a limit switch and an optical sensor and a pipe discharger are also provided. The pipe cutting device can automatically adjust the cutting length of the pipe, the fixing, the cutting and the discharging of the pipe.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: August 9, 1994
    Assignee: Hankook Metal Co., Ltd.
    Inventor: Jong-Ho Ro