| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Netherlands | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Packaging | |
| #2 | Making paper containers | |
| #3 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Douwenga Rudolf | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE3301835A1 | Device for the continuous filling of lumpy bulk materials into bags tied by means of a tape-like material | |
| DE3007588A1 | DEVICE FOR SPREADING THE FILL OPENINGS OF BAG-BAG BAGS OF FILM MATERIAL OR THE LIKE. | |
| DE2712801A1 | DEVICE FOR SPREADING THE FILLING OPENINGS OF TAPE-CONNECTED BAGS MADE OF FILM MATERIAL OR DGL. | |
| NL7416554A | Production of bags of thermoplastic material - by welding film using wavy line weld in extrusion direction of film |