| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | France | 2 | |
| #3 | Denmark | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Production of goods from wood | |
| #2 | Macromolecular compounds compositions | |
| #3 | Presses | |
| #4 | Wood working | |
| #5 | Paper goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knell Ludwig | 3 |
| #2 | Engels Kaspar | 2 |
| #3 | Lehmann Manfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB820327A | Apparatus for producing hollow articles by pressing |