| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Germany | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Sweden | 2 | |
| #5 | United States | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Foundations and excavations | |
| #3 | Materials for miscellaneous applications |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rotter Ernst Dipl Ing | 3 |
| #2 | Rotter E | 2 |
| #3 | Rotter Ernst Dr | 1 |
| #4 | Brandstetter F | 1 |
| #5 | Rotter Ernst | 1 |
| #6 | Brandstetter Friedrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2410212A1 | Sealing device for rock consolidating plastics grouting - includes tensioner arm, bored probe, and foam plastics recessed end plug | |
| DE2236457A1 | PROCESS FOR PRODUCING A COMPOSITE SHEETING AS MOUNTAIN SECURING IN UNDERGROUND OR ABOVE MINING | |
| DE2104815A1 | PROCESS FOR PRODUCING A COMPOSITE SHEETING AS MOUNTAIN SECURING IN UNDERGROUND OR ABOVE MINING |