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 5/06: Combined machining Electrochemical machining combined with mechanical working, e.g. grinding or honing
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12017293 | Electrochemical mechanical polishing and planarization equipment for processing conductive wafer substrate | Jan 19, 23 | Jun 25, 24 | HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC. |
| 11992890 | Electrochemical discharge-assisted micro-grinding device for micro-components of brittle and hard materials | Apr 29, 22 | May 28, 24 | Changsha University of Science and Technology |
| 11267060 | Electrical potential machining devices and methods | May 16, 17 | Mar 08, 22 | The Board of Regents of the Nevada System of Higher Education on Behalf of the University of Nevada, Las Vegas |
| 10158164 | Handheld mobile device with hidden antenna formed of metal injection molded substrate | Sep 06, 17 | Dec 18, 18 | ESSENTIAL PRODUCTS, INC. |
| 10131009 | Continuous machining system | Jul 05, 17 | Nov 20, 18 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE |
| 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., |
| 9597743 | Machine for machining gear teeth and gear teeth machining method | Jan 17, 14 | Mar 21, 17 | SIKORSKY AIRCRAFT CORPORATION |
| 9193000 | Metallic component for high-pressure applications | May 24, 11 | Nov 24, 15 | ROBERT BOSCH GMBH |
| 9174292 | Electro chemical grinding (ECG) quill and method to manufacture a rotor blade retention slot | Apr 16, 08 | Nov 03, 15 | UNITED TECHNOLOGIES CORPORATION |
| 8747625 | Grinding/electrolysis combined multi-wire-slicing processing method for silicon wafers | Jul 14, 10 | Jun 10, 14 | NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS |
| 8137158 | Electrical contact method | Feb 01, 11 | Mar 20, 12 | GLOBALFOUNDRIES INC. |
| 7883395 | Electrical contact structures and methods for use | Nov 29, 07 | Feb 08, 11 | GLOBALFOUNDRIES INC. |
| 7815778 | Electro-chemical mechanical planarization pad with uniform polish performance | Nov 21, 06 | Oct 19, 10 | SEMIQUEST, INC. |
| 7741576 | Apparatus and method for hybrid machining a workpiece | May 11, 07 | Jun 22, 10 | GENERAL ELECTRIC COMPANY |
| 7686935 | Pad-assisted electropolishing | Aug 26, 05 | Mar 30, 10 | NOVELLUS SYSTEMS, INC. |
| 7638030 | Electrolytic processing apparatus and electrolytic processing method | Sep 25, 03 | Dec 29, 09 | EBARA CORPORATION |
| 7578923 | Electropolishing system and process | Mar 18, 03 | Aug 25, 09 | NOVELLUS SYSTEMS, INC. |
| 6946062 | Electropolish/grinding means for an inner surface of a long tube | Mar 01, 02 | Sep 20, 05 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 6935003 | Compound fabrication process and apparatus | Feb 28, 03 | Aug 30, 05 | NATIONAL UNIVERSITY OF SINGAPORE |
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