| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | Germany | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Belts or cables for driving | |
| #3 | Transport or storage devices | |
| #4 | Elevators and escalators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stiesberg Reinhard | 6 |
| #2 | Wilke Hermann Dipl-Ing | 4 |
| #3 | Wilke Hermann | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE10327642A1 | Drive for an escalator | |
| EP0909908A1 | Roller chain (link chain) | |
| EP0763674A1 | Roller chain (link chain) | |
| EP0677683A1 | Roller chain (link chain) | |
| DE4407592A1 | Roller chain with drive | |
| DE4241758A1 | Bush conveyor chain | |
| DE4220606A1 | Sprocket for articulated chains |