| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | Japan | 6 | |
| #3 | United States | 5 | |
| #4 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Optics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wohlmuth Clinton J | 3 |
| #2 | Johnson Myron | 3 |
| #3 | Taeusch David R | 3 |
| #4 | Barbulescu George | 3 |
| #5 | Check John M | 3 |
| #6 | Walser Thomas D | 3 |
| #7 | Deibitsudo Ei Robaatsu | 1 |
| #8 | Tomasu Deii Uorusaa | 1 |
| #9 | Jiyon Emu Chietsuku | 1 |
| #10 | Deibitsudo Aaru Toishiyu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4857696A | Laser/EDM drilling manufacturing cell | |
| EP0299143A1 | Laser/EDM drilling manufacturing cell | |
| US4786777A | Process and apparatus for wire electrode trimming using a laser | |
| US4733048A | Crash proof nozzle | |
| US4791264A | Low force wire guide for EDM machine | |
| US4782203A | Wire guide for electric discharge machine |