| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | South Africa | 3 | |
| #3 | Argentina | 2 | |
| #4 | Brazil | 2 | |
| #5 | Japan | 2 | |
| #6 | United States | 2 | |
| #7 | Austria | 1 | |
| #8 | Switzerland | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Spain | 1 | |
| #11 | France | 1 | |
| #12 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Foundations and excavations | |
| #3 | Preparation of materials | |
| #4 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brandstetter Friedrich Peter D | 6 |
| #2 | Brandstetter F | 5 |
| #3 | Brandstetter Friedrich P | 1 |
| #4 | Roeger Wolfgang | 1 |
| #5 | Uez Eduard | 1 |
| #6 | Brandstetter Friedrich Dr | 1 |
| #7 | Furiidoritsuhi Peetaa Burantos | 1 |
| #8 | Furiidoritsuhi Burandosutetsut | 1 |
| #9 | Brandstetter Frederick P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2903694A1 | MOUNTAIN ANCHOR | |
| DE2837542A1 | Prepn. and delivery of highly-filled resin compsns. - for filling drill holes in rock, coating of stone, etc. | |
| DE2749068A1 | Mine anchorage rod embedded in hardening resin - has flexible externally roughened inner plastics sleeve around glass fibre rods | |
| DE2624559A1 | MOUNTAIN ANCHORS |