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| More topics under "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" (18,644) |
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| B23H 1 - 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 (3,662) | | B23H 11 - Auxiliary apparatus or details, not otherwise provided for (1,396) | | B23H 3 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte (1,991) | | B23H 5 - Combined machining (1,281) | | B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) | | B23H 9 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (3,245) |
| Patents for 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 (6) |
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| 12/23/2009 | CN100573010C Radiation shield | | 12/13/2006 | CN1879001A Radiation shield | | 05/16/2006 | US7045746 Shadow-free shutter arrangement and method | | 10/20/2005 | WO2005046920A3 Radiation shield | | 05/26/2005 | WO2005046920A2 Radiation shield | | 05/12/2005 | US20050098553 Shadow-free shutter arrangement and method |
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