HANS KOTTHOFF has a total of 11 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany and United States. Its main competitors in its focus markets chemical engineering, machines and consumer goods are MINUS 100 LLC, SHENZHEN SHANGSHUI INTELLIGENT EQUIPMENT CO LTD and APEX CONSTR LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Cigarettes | |
| #3 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kotthoff Hans | 8 |
| #2 | Hans Kotthoff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1883962A | Cigarette lighter |