| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 1 | |
| #2 | Canada | 1 | |
| #3 | German Democratic Republic | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Greece | 1 | |
| #8 | Ireland | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Norway | 1 | |
| #11 | Philippines | 1 | |
| #12 | United States | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eggenschwiler Andre M | 12 |
| #2 | Bruhin Rolf | 10 |
| #3 | Rolf Bruhin | 2 |
| Publication | Filing date | Title |
|---|---|---|
| PH22733A | Electro-optic welding lens assembly | |
| BR8303276A | Electro-optical lens set for welding | |
| KR900006884B1 | Electro-optic welding lens assembly | |
| EP0091514A2 | Protective light filter, in particular for protective shields or welding glasses |