| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 7 | |
| #3 | United States | 6 | |
| #4 | Canada | 4 | |
| #5 | Germany | 4 | |
| #6 | Republic of Korea | 4 | |
| #7 | Mexico | 4 | |
| #8 | Australia | 2 | |
| #9 | Brazil | 2 | |
| #10 | China | 2 | |
| #11 | Ukraine | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Presses | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weigelt Harald | 44 |
| Publication | Filing date | Title |
|---|---|---|
| CN108430664A | Wedge-type driving device | |
| US2009078067A1 | Wedge drive with slider receiving means | |
| DE102007045703A1 | Wedge drive with slide holder | |
| DE102006036654A1 | Wedge drive with forced return device | |
| EP1384535A1 | Stripper | |
| DE19860178C1 | Wedge drives for finishing bodywork parts in car production lines includes slider returnable by gas compression spring and guided in slide faces arranged in prism formation to allow for manufacturing tolerances | |
| DE19753549A1 | Wedge drive |