| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Canada | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Spain | 2 | |
| #6 | Israel | 2 | |
| #7 | Brazil | 1 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kraatz Gerald A | 6 |
| #2 | Lawrence Glen Sherman | 5 |
| #3 | Haynie Timothy J | 4 |
| #4 | Lawrence Glen S | 4 |
| #5 | Nelson Walter A Jr | 4 |
| #6 | Farrell William J | 4 |
| #7 | Haynie Timothy John | 4 |
| #8 | Ferrario Joseph Dominic | 4 |
| #9 | Kyselica Stefan P | 2 |
| #10 | Kyselica Stefan Paul | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5149934A | High voltage electron beam gun | |
| US4998004A | Electron beam gun | |
| US4803333A | Viewing optics for external-mount electron beam welders | |
| US4791270A | Gas tungsten arc welding machine with infinite rotating welding head and torch tilt | |
| US4721842A | Beam position correction device |