| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | France | 3 | |
| #3 | Belgium | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Norway | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Venting or aerating devices | |
| #3 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Westenberg Martin | 9 |
| #2 | Martin Westenberg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4329856C1 | Slider | |
| DE3606236A1 | SLIDER | |
| CA943580A | Method and arrangement for conveying particulate material from a lower level to an upper level |