Patents by Inventor Taketomo Ohyama

Taketomo Ohyama 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: 4404721
    Abstract: A thread cutting machine for pipes which comprises a machine base on which pipe holding chucks, a pipe rotation drive mechanism, a thread cutting mechanism and a threaded coupling holding chuck mechanism adapted to hold a threaded coupling such as socket, elbow or the like in position are provided. The machine is capable of fastening the threaded coupling to the pipe after the pipe threads have been formed as well as the inherent pipe cutting-off and thread cutting functions.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: September 20, 1983
    Assignee: MCC Corporation
    Inventor: Taketomo Ohyama
  • Patent number: 4386440
    Abstract: A thread cutting machine for pipes comprises a machine base on which pipe holding chucks, a pipe rotation drive mechanism, a thread cutting mechanism and a threaded coupling holding chuck mechanism adapted to hold a threaded coupling such as socket, elbow or the like in position are provided. The machine is capable of fastening the threaded coupling to the pipe after pipe threads have been formed as well as the inherent pipe cutting-off and thread cutting functions.
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: June 7, 1983
    Assignee: MCC Corporation
    Inventor: Taketomo Ohyama