Issued Patents All Time
Showing 326–350 of 351 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301349 | Electrical machining apparatus for forming a three-dimensional surface contour in a workpiece | — | 1981-11-17 |
| 4298781 | Wire-cut electroerosion machine and method of operating same | — | 1981-11-03 |
| 4294121 | Position measuring system | — | 1981-10-13 |
| 4290856 | Electroplating apparatus and method | — | 1981-09-22 |
| 4289947 | Fluid jetting system for electrical machining | — | 1981-09-15 |
| 4288675 | Cutting area responsive EDM method and apparatus with cyclically interrupted pulse trains | — | 1981-09-08 |
| 4279748 | High-field gradient magnetic separator | — | 1981-07-21 |
| 4277668 | High-frequency power feeder circuitry and supply method for electrical discharge machining | — | 1981-07-07 |
| 4273595 | Method of preparing thermomagnetically treated magnetically anisotropic objects | Hideo Kaneko | 1981-06-16 |
| 4273581 | Sintering method | — | 1981-06-16 |
| 4269672 | Gap distance control electroplating | — | 1981-05-26 |
| 4266170 | Safety arrangement for NC systems | — | 1981-05-05 |
| 4263116 | Electrode holder-guidance assembly for wire-cut electrical machining | — | 1981-04-21 |
| 4263044 | Iron/chromium/cobalt-base spinodal decomposition-type magnetic alloy | — | 1981-04-21 |
| 4247303 | Method of forming an electrically conductive abrasive wheel | — | 1981-01-27 |
| 4236057 | Apparatus for detecting gap conditions in EDM processes with monitoring pulses | — | 1980-11-25 |
| 4233486 | Traveling-wire electrical discharge machine | — | 1980-11-11 |
| 4226053 | Grinding apparatus | — | 1980-10-07 |
| 4223198 | Arm deflection constant traveling-wire EDM method and apparatus | — | 1980-09-16 |
| 4208256 | Fluid pumping control method and apparatus for machine tools | — | 1980-06-17 |
| 4206028 | Electrochemical polishing system | — | 1980-06-03 |
| 4205213 | Method of and apparatus for electrical discharge machining with a vibrating wire electrode | — | 1980-05-27 |
| 4201777 | Carbonaceous bodies | — | 1980-05-06 |
| 4200674 | Method of preparing heat-transfer members | — | 1980-04-29 |
| 4193852 | Method and apparatus for electrical machining with a multi-guided travelling electrode | — | 1980-03-18 |