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 3/10: Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte Supply or regeneration of working media
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12240050 | Method and apparatus for machining components by means of electrochemical machining | Jul 22, 20 | Mar 04, 25 | MTU Aero Engines AG |
| 12220757 | Dual head pECM | Apr 28, 22 | Feb 11, 25 | Rolls-Royce Corporation |
| 12023750 | Multi-channel electrochemical machining device and method for blisk | Apr 24, 23 | Jul 02, 24 | Nanjing University of Aeronautics and Astronautics |
| 12017293 | Electrochemical mechanical polishing and planarization equipment for processing conductive wafer substrate | Jan 19, 23 | Jun 25, 24 | HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC. |
| 11980959 | Electrochemical machining of geometrically complex passages | Mar 09, 22 | May 14, 24 | Textron Innovations Inc. |
| 11433468 | Electrode for an electro-erosion process and an associated method thereof | May 20, 19 | Sep 06, 22 | General Electric Company |
| 11389887 | Method of removing Cr(VI) ions from an aqueous electrolyte solution | Jan 22, 20 | Jul 19, 22 | MTU Aero Engines AG |
| 11383314 | Tool for machining festoons and attachment holes of a disc flange by PECM and method using this tool | Aug 28, 19 | Jul 12, 22 | SAFRAN AIRCRAFT ENGINES |
| 11376681 | Electromechanical machining method, method of manufacturing perforated material, processing electrode, and electromechanical machining system | Jul 02, 18 | Jul 05, 22 | MITSUBISHI POWER, LTD. |
| 11253938 | Device and method for producing a blade airfoil | Sep 02, 16 | Feb 22, 22 | MTU Aero Engines AG |
| 10882129 | Electrochemical machine capable of removing electrolytic product | Nov 21, 18 | Jan 05, 21 | ANYCASTING CO., LTD. |
| 10717140 | Device for the electrochemical processing of a metal workpiece | May 15, 18 | Jul 21, 20 | LEISTRITZ TURBINENTECHNIK NÜRNBERG GMBH |
| 10625397 | Grind machining apparatus | Dec 13, 17 | Apr 21, 20 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 10556280 | Methods and systems for electrochemical machining | Feb 23, 18 | Feb 11, 20 | General Electric Company |
| 10507540 | Tool for machining wells in multi-stage discs by PECM, electrochemical machining assembly and machine including said tool, and method using said tool | Oct 07, 16 | Dec 17, 19 | SAFRAN AIRCRAFT ENGINES; PEMTEC; |
| 10363622 | Electrode for an electro-erosion process and an associated method thereof | Sep 30, 16 | Jul 30, 19 | General Electric Company |
| 10179368 | Wire electric discharge machine having estimation function for filter replacement timing | Oct 05, 15 | Jan 15, 19 | FANUC CORPORATION |
| 10022812 | Methods for the electroerosion machining of high-performance metal alloys | Oct 09, 14 | Jul 17, 18 | General Electric Company |
| 9981331 | Electrochemical machining tool and electrochemical machining system | Feb 14, 14 | May 29, 18 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 9969021 | Electrochemical machining apparatus for forming turbine blades | Sep 12, 16 | May 15, 18 | Intai Technology Corp. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0335,895 | METHOD FOR ELECTROCHEMICALLY MACHINING A WORKPIECE | Oct 10, 22 | Oct 10, 24 | MTU Aero Engines AG |
| 2024/0253,141 | ELECTRODE ASSEMBLY AND ELECTROCHEMICAL MACHINING METHOD | Apr 27, 22 | Aug 01, 24 | Not available |
| 2024/0227,050 | SYSTEM AND METHOD FOR FORMING A NOZZLE INLET OF A NOZZLE | Oct 21, 22 | Jul 11, 24 | Not available |
| 2024/0139,843 | METHOD AND ELECTRODE FOR MACHINING COMPONENTS BY ELECTROCHEMICAL MACHINING | Oct 06, 20 | May 02, 24 | MTU Aero Engines AG |
| 2024/0131,607 | SYSTEM AND METHOD FOR FORMING A NOZZLE INLET OF A NOZZLE | Oct 20, 22 | Apr 25, 24 | Not available |
| 2024/0109,142 | PULSED ELECTROCHEMICAL MACHINING | Sep 30, 22 | Apr 04, 24 | Not available |
| 2024/0109,143 | PULSED ELECTROCHEMICAL MACHINING | Sep 30, 22 | Apr 04, 24 | Not available |
| 2024/0091,872 | ELECTROCHEMICAL MACHINING DEVICE | Sep 24, 21 | Mar 21, 24 | KABUSHIKI KAISHA TOYOTA JIDOSHOKKI |
| 2023/0405,699 | ELECTROCHEMICAL MACHINING APPARATUS | Nov 24, 21 | Dec 21, 23 | Kabushiki Kaisha Toyota Jidoshokki |
| 2023/0064,929 | MANUFACTURING DEVICE FOR ELECTROCHEMICAL MACHINING OF A COMPONENT, IN PARTICULAR A TURBINE COMPONENT, METHOD FOR ELECTROCHEMICAL MACHINING OF A COMPONENT, AND COMPONENT | Aug 28, 22 | Mar 02, 23 | MTU Aero Engines AG |
| 2022/0410,297 | METHOD AND DEVICE FOR ELECTROCHEMICALLY TREATING COMPONENTS | Aug 13, 20 | Dec 29, 22 | MTU Aero Engines AG |
| 2020/0238,411 | METHOD OF REMOVING Cr(VI) IONS FROM AN AQUEOUS ELECTROLYTE SOLUTION | Jan 22, 20 | Jul 30, 20 | Not available |
| 2020/0130,083 | ELECTROCHEMICAL MACHINE CAPABLE OF REMOVING ELECTROLYTIC PRODUCT | Nov 21, 18 | Apr 30, 20 | ANYCASTING CO., LTD. |
| 2016/0101,479 | METHODS FOR THE ELECTROEROSION MACHINING OF HIGH-PERFORMANCE METAL ALLOYS | Oct 09, 14 | Apr 14, 16 | GENERAL ELECTRIC COMPANY |
| 2015/0224,589 | METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES | Feb 13, 15 | Aug 13, 15 | KS KOLBENSCHMIDT GMBH |
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