| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Austria | 1 | |
| #4 | France | 1 | |
| #5 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Roof coverings | |
| #3 | General building constructions | |
| #4 | Finishing work on buildings | |
| #5 | Tools for connecting or disengaging | |
| #6 | Working stone | |
| #7 | Horticulture | |
| #8 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Trurnit Friedrich Wilhelm | 5 |
| #2 | Trurnit Friedrich | 4 |
| Publication | Filing date | Title |
|---|---|---|
| EP2339188A2 | Fixing screw for combining insulating boards | |
| DE102004006936A1 | Method for securing insulation panels using a special tool with fitted hole saw and central driving bit for a recessed fitting of the fasteners into the panels | |
| DE19543663A1 | Fastening element for fixing a thermal insulation board or the like to a base | |
| DE19520110C1 | Device for introducing fasteners into plate-like thermal insulation material on roofs or the like | |
| EP0399210A1 | Fastener for fastening of plate-shaped heat-isolating material | |
| DE3713686A1 | FASTENING ELEMENT | |
| ATA203384A | Hook nail | |
| DE3422841A1 | Hook nail | |
| NL8101155A | Screw. | |
| DE3107403A1 | Screw nail |