| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | China | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Brazil | 1 | |
| #8 | Canada | 1 | |
| #9 | Hong Kong | 1 | |
| #10 | Hungary | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Wing fittings | |
| #3 | Unspecified technologies | |
| #4 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klein Sascha | 16 |
| #2 | Sascha Klein | 1 |
| #3 | Metiba Verwaltungs Gmbh | 1 |
| #4 | Klein Sascha S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102014013071A1 | Foot door opener and door | |
| CN104204385A | Foot-operated door opener, door and use | |
| DE102010035554A1 | Fußtüröffner |