| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Germany | 3 | |
| #3 | Japan | 2 | |
| #4 | Brazil | 1 | |
| #5 | France | 1 | |
| #6 | Italy | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cecil Shelby | 4 |
| #2 | Cecil S | 3 |
| #3 | Geringer Donald | 3 |
| #4 | Zeewy Abraham | 2 |
| #5 | Sherubii Seshiru | 1 |
| #6 | Riggs Dean D | 1 |
| #7 | Aburahamu Zuiiui | 1 |
| #8 | Deiin Deii Rigusu | 1 |
| #9 | Donarudo Gerinjaa | 1 |
| #10 | Riggs D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2534842A1 | Welding head guide system - feeler tip senses horizontal and vertical deviations from prescribed path | |
| US4010346A | Self-propelled tractor for welding and cutting apparatus and the like | |
| US4068154A | Automatic guidance system for welding torches and the like | |
| US3883956A | Proportional control for guidance system | |
| US3857080A | Proportional control for guidance systems, and the like |