TOENNIES HANS FERDINAND has a total of 13 patent applications. Its first patent ever was published in 1937. It filed its patents most often in Denmark, Switzerland and Germany. Its main competitors in its focus markets optics, measurement and mechanical elements are ASPECTA VEB, OEDOEN RISZDORFER DR and ANONIMA RADIO SOC.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Germany | 4 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Measurement | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Measuring light | |
| #3 | Clutches and brakes | |
| #4 | Gearing | |
| #5 | Measuring electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Toennies Hans Ferdinand | 9 |
| #2 | Hans Ferdinand Toennies | 4 |