| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Germany | 6 | |
| #3 | France | 3 | |
| #4 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Civil engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Containers for goods storage | |
| #2 | Preparing clay | |
| #3 | Swimming pools | |
| #4 | Machines for making railways | |
| #5 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gebr Rank | 6 |
| #2 | Gebrueder Rank | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE675245C | Device for ventilating bulk goods in storage rooms, in particular floor storage | |
| DE570493C | Cell silo | |
| DE437642C | Cell silo of rectangular or rectangular cross-section with dividing walls | |
| DE341547C | Partition wall for silo cells made of reinforced concrete beams one above the other | |
| DE359967C | Procedure to ensure the proportions of cement and additives when mixing them in dump trucks | |
| DE464166C | Cell memory made up of bars one on top of the other |