| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Switzerland | 3 | |
| #3 | France | 2 | |
| #4 | Austria | 1 | |
| #5 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Earth drilling | |
| #3 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rosenkranz Peter | 3 |
| #2 | Heinrich Noelle | 2 |
| #3 | Noelle Heinrich | 1 |
| #4 | Noelle H | 1 |
| #5 | Arshi Fereidoun Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3644723A1 | Method and apparatus for recovering the inner pipe of a core-drilling appliance | |
| DE3540995A1 | Injection and tube-releasing apparatus | |
| DE3423789A1 | Drilling device for rock boreholes | |
| DE3401803A1 | Drill-pipe string with double pipe | |
| DE2211164A1 | CLAMPING BRACKETS, IN PARTICULAR FOR FASTENING A BACK RAIL IN SWITCHES | |
| YU281170A | Stezna ploca za sine |