B23H 5/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9981401 Apparatus using electrochemical discharge machining process and method using the sameOct 01, 15May 29, 18Foundation of Soongsil University-Industry Cooperation
9958855 Electro discharge machining system with batch processing of holes and manufacturing method thereforOct 25, 13May 01, 18APPLIED MATERIALS, INC.
8652307 Apparatus and method for magnetic field assisted electrochemical discharge machiningJul 27, 09Feb 18, 14NATIONAL CENTRAL UNIVERSITY
7741576 Apparatus and method for hybrid machining a workpieceMay 11, 07Jun 22, 10GENERAL ELECTRIC COMPANY
7394040 Electromachining process and apparatusMar 31, 06Jul 01, 08GENERAL ELECTRIC COMPANY
6084194 Method and apparatus for electric-discharge texturing ends of a rollMar 01, 99Jul 04, 00SMS MODERN HARD CHROME, LLC
4818834 Process for drilling chamfered holesMar 21, 88Apr 04, 89RAYCON CORPORATION, Raycon Textron Inc.,