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 5/08: Combined machining Electrochemical machining combined with mechanical working, e.g. grinding or honing Electrolytic grinding
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12123271 | Downhole tool | May 26, 21 | Oct 22, 24 | DSOLVE AS |
| 11491565 | Probe forming device | Dec 23, 19 | Nov 08, 22 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 11248429 | Downhole tool | Sep 27, 17 | Feb 15, 22 | INNOVATION ENERGY AS |
| 11173561 | Method for processing probe | Aug 26, 20 | Nov 16, 21 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 10821532 | Advanced herringbone gear design | Jan 30, 17 | Nov 03, 20 | Sikorsky Aircraft Corporation |
| 10646938 | Precision electrochemical machine for gear manufacture | Jan 11, 18 | May 12, 20 | Sikorsky Aircraft Corporation |
| 10625397 | Grind machining apparatus | Dec 13, 17 | Apr 21, 20 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 10603731 | Method and apparatus for polishing metal parts with complex geometries | Nov 25, 15 | Mar 31, 20 | General Electric Company |
| 9956631 | Machine for machining gear teeth and gear teeth machining method | Feb 15, 17 | May 01, 18 | Sikorsky Aircraft Corporation |
| 9804067 | Observation and photography apparatus | Jun 18, 13 | Oct 31, 17 | KAGOSHIMA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, NAKAYAMADENKI CO., LTD., |
| 9751142 | High-frequency-vibration-assisted electrolytic grinding method and device therefor | Apr 12, 13 | Sep 05, 17 | MICRON MACHINERY CO., LTD |
| 9597743 | Machine for machining gear teeth and gear teeth machining method | Jan 17, 14 | Mar 21, 17 | SIKORSKY AIRCRAFT CORPORATION |
| 9403228 | Method and apparatus for pulsed electrochemical grinding | Jul 29, 14 | Aug 02, 16 | FARADAY TECHNOLOGY, INC. |
| 9375821 | Electrically assisted chemical-mechanical planarization (EACMP) system and method thereof | May 27, 12 | Jun 28, 16 | NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 9214359 | Method and apparatus for simultaneously removing multiple conductive materials from microelectronic substrates | May 19, 14 | Dec 15, 15 | MICRON TECHNOLOGY, INC. |
| 8974655 | Methods of planarization and electro-chemical mechanical polishing processes | Mar 24, 08 | Mar 10, 15 | MICRON TECHNOLOGY, INC. |
| 8906221 | Electrochemical grinding tool and method | Aug 06, 12 | Dec 09, 14 | GENERAL ELECTRIC COMPANY |
| 8834689 | Device, apparatus, and method for abrasive electrochemical finishing | Mar 10, 11 | Sep 16, 14 | GENERAL ELECTRIC COMPANY |
| 8747625 | Grinding/electrolysis combined multi-wire-slicing processing method for silicon wafers | Jul 14, 10 | Jun 10, 14 | NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS |
| 7815778 | Electro-chemical mechanical planarization pad with uniform polish performance | Nov 21, 06 | Oct 19, 10 | SEMIQUEST, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0018,486 | SYSTEM AND METHOD OF THINNING WAFER SUBSTRATE | Nov 15, 22 | Jan 16, 25 | Not available |
| 2024/0307,988 | HYBRID ELECTROCHEMICAL AND ABRASIVE FLUID POLISHING | Jun 01, 22 | Sep 19, 24 | Not available |
| 2024/0246,161 | AN ELECTRICAL MACHINING DEVICE | May 27, 22 | Jul 25, 24 | Not available |
| 2023/0339,032 | ANODIC OXIDATION-ASSISTED GRINDING APPARATUS AND ANODIC OXIDATION-ASSISTED GRINDING METHOD | Apr 20, 23 | Oct 26, 23 | JTEKT MACHINE SYSTEMS CORPORATION |
| 2021/0387,274 | ELECTROLYSIS AND GRINDING COMBINED MACHINING DEVICE AND METHOD | Mar 17, 21 | Dec 16, 21 | JIANGXI UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 2019/0210,130 | PRECISION ELECTROCHEMICAL MACHINE FOR GEAR MANUFACTURE | Jan 11, 18 | Jul 11, 19 | Not available |
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