| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Brazil | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Finland | 1 | |
| #8 | Italy | 1 | |
| #9 | Mexico | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Norway | 1 | |
| #12 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Environmental technology | |
| #3 | Furniture and games | |
| #4 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Preparation of materials | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Fillers | |
| #5 | Skates | |
| #6 | Certain plastics | |
| #7 | Gas, coke and tar production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Geng Hans | 12 |
| #2 | Geng H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE3418259A1 | Process and plant for the subsequent treatment of domestic refuse | |
| DE3401669A1 | Sliding component in the form of a section from a plastic profile made from polyethylene | |
| DE3010825A1 | PREPARATION MACHINE FOR DISPOSED THERMOPLASTIC PLASTIC FILMS AND THE LIKE |