| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 1 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Civil engineering | |
| #3 | Transport | |
| #4 | Chemical engineering | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Dredging | |
| #3 | Railway systems | |
| #4 | Feeding fuel to combustion device | |
| #5 | Separating solids using liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bienert Heinz W | 3 |
| #2 | Schirmer Willy | 1 |
| #3 | Schirmer Willi | 1 |
| #4 | Fredenhagen Kommanditgesellsch | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR1041718A | Loading and unloading device for bulk materials |