| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Argentina | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Greece | 1 | |
| #10 | Italy | 1 | |
| #11 | Luxembourg | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Poland | 1 | |
| #14 | Portugal | 1 | |
| #15 | Sweden | 1 | |
| #16 | United States | 1 | |
| #17 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Civil engineering | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Ropes | |
| #2 | Construction of bridges | |
| #3 | Scaffolding | |
| #4 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartmann Helmut | 7 |
| #2 | Hartmann H | 3 |
| #3 | Kurt Kierdorf | 1 |
| #4 | Brueggemann Hans Dipl Ing | 1 |
| #5 | Eikhof Hans H F Dipl Ing | 1 |
| #6 | Manfred Martin Dr | 1 |
| #7 | Boue Paul Prof Dr Ing | 1 |
| #8 | Karl-Martin Bohn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3632953A1 | Wire rope | |
| DE3526612A1 | Bridge cable inspection device | |
| LU85155A1 | Method for testing ropes consisting of metal wire or metal strings | |
| ZA8108677B | A method and an apparatus for manufacturing strands from wires or ropes from strands |