| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | France | 6 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Electrical machinery and energy | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Magnets and transformers | |
| #3 | Office furniture | |
| #4 | Vehicle parts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hansen Max | 7 |
| #2 | Max Hansen | 3 |
| #3 | Hansen Guenter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191417178A | Improvements in and relating to Filters for Heat Rays. | |
| GB191326904A | Improvements in Kinematographs. | |
| GB191414987A | Improvements in or relating to Film-adjusting Means for Kinematographs. |