| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 17 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Mechanical elements | |
| #3 | Textiles and paper | |
| #4 | Medical technology | |
| #5 | Machine tools | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Processing photographic materials | |
| #3 | Nails | |
| #4 | Frames | |
| #5 | Woven fabrics | |
| #6 | Goods for writing upon | |
| #7 | Cutting | |
| #8 | Auxiliary weaving apparatus | |
| #9 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knittel Bruno | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB400528A | Method of and means for finishing photographs |