| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | German Democratic Republic | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolff Ernst | 14 |
| #2 | Ernst Wolff | 3 |
| Publication | Filing date | Title |
|---|---|---|
| EP0624526A2 | Container for liquid or pasty contents | |
| DE4316145A1 | Bottle or tube consisting of an elastic material | |
| EP0392208A2 | Valve for a container for dispensing paste-like or viscous materials, in the form of a tube or bottle | |
| GB1162102A | Improvements in or relating to Transportable Concrete-Making Installations | |
| US1142073A | Explosion-engine. | |
| CA363971A | Door for coke ovens and gas generators | |
| CA312108A | Coke oven door |