Class B23H : WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
Subclass 1/08: Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric Working media
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12186807 | Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation | Nov 22, 22 | Jan 07, 25 | Powdermet Inc. |
| 11858055 | Cutting electrode head for a handheld electrical discharge machining device | Sep 15, 20 | Jan 02, 24 | Rolls-Royce plc |
| 11590594 | Lower guide unit of electrical discharge machine | Sep 16, 20 | Feb 28, 23 | Sodick Co. Ltd. |
| 11583947 | Method for wire electro-discharge machining a part | Dec 19, 18 | Feb 21, 23 | PRATT & WHITNEY CANADA CORP. |
| 11534845 | Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation | Jul 08, 21 | Dec 27, 22 | Powdermet Inc. |
| 11465222 | Electric discharge machining unit of electric discharge machining apparatus | Jun 11, 20 | Oct 11, 22 | Sodick Co. Ltd. |
| 11440114 | Wire electric discharge machining method and wire electric discharge machine | May 13, 20 | Sep 13, 22 | Sodick Co. Ltd. |
| 11389853 | Device and method for forming metal plate by using high-energy electric pulse to drive energetic materials | Mar 26, 20 | Jul 19, 22 | HARBIN INSTITUTE OF TECHNOLOGY |
| 11247282 | Electric discharge machining apparatus | Jun 20, 19 | Feb 15, 22 | Sodick Co. Ltd. |
| 11179789 | Electric discharge machining device | Jan 10, 19 | Nov 23, 21 | Sodick Co. Ltd. |
| 11117206 | Heterogeneous composite bodies with isolated cermet regions formed by high temperature, rapid consolidation | Nov 16, 17 | Sep 14, 21 | Powdermet Inc. |
| 11065783 | Silicon ingot slicing apparatus using microbubbles and wire electric discharge machining | May 02, 17 | Jul 20, 21 | Korea Institute of Energy Research |
| 10974336 | Method for profile machining | Apr 22, 16 | Apr 13, 21 | General Electric Company |
| 10780513 | Wire electrical discharge machining system | May 22, 17 | Sep 22, 20 | FANUC CORPORATION |
| 10618126 | Electrical discharge machine having concentration detection function for rust inhibitor containing organic compound | Aug 26, 16 | Apr 14, 20 | FANUC CORPORATION |
| 10546791 | Method and system of surface polishing | Mar 03, 17 | Jan 28, 20 | Not available |
| 10493548 | Fine hole electrical discharge machine | Mar 31, 15 | Dec 03, 19 | MAKINO MILLING MACHINE CO., LTD. |
| 10427232 | Wire electrical discharge machine | Jul 17, 17 | Oct 01, 19 | FANUC CORPORATION |
| 10335850 | Light weight housing for internal component and method of making | Apr 12, 16 | Jul 02, 19 | United Technologies Corporation |
| 10323325 | Light weight housing for internal component and method of making | Apr 12, 16 | Jun 18, 19 | United Technologies Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0065,427 | Electrical Discharge Machine | Aug 21, 24 | Feb 27, 25 | Not available |
| 2022/0362,871 | ELECTROLYSIS DEVICE | May 11, 22 | Nov 17, 22 | Not available |
| 2021/0107,078 | COMPOUND AND A METHOD OF USING THE COMPOUND | Sep 29, 20 | Apr 15, 21 | Rolls Royce plc |
| 2021/0053,131 | ELECTRIC DISCHARGE MACHINING OIL COMPOSITION, METHOD FOR MANUFACTURING ELECTRIC DISCHARGE MACHINING OIL COMPOSITION, AND ELECTRIC DISCHARGE MACHINING METHOD | Mar 26, 19 | Feb 25, 21 | Idemitsu Kosan Co., Ltd. |
| 2017/0341,172 | WIRE ELECTRICAL DISCHARGE MACHINING SYSTEM | May 22, 17 | Nov 30, 17 | FANUC CORPORATION |
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