Patents by Inventor Carmelo Onandia-Alberdi

Carmelo Onandia-Alberdi 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).

  • Spark erosion machine
    Patent number: 5293022
    Abstract: A spark erosion machine that includes two independently driven portals, each portal mounted on a portal carrier and bearing a header holding an electrode. The machine also has segmented container with a removable inner door separating two subcontainers and side walls forming hermetically sealable access doors.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: March 8, 1994
    Assignee: Ona Electro-Erosion, S.A.
    Inventor: Carmelo Onandia-Alberdi