| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Germany | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Sewers | |
| #3 | Shaping of plastics | |
| #4 | Fillers | |
| #5 | Layered products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Voigt Thomas | 6 |
| #2 | Schmager Klaus-Dieter | 4 |
| #3 | Michel Peter | 3 |
| #4 | Michel Peter Dr | 2 |
| #5 | Voigt Thomas Dipl Ing | 2 |
| #6 | Matten Dietrich Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19900441A1 | Pipe system with controllable sealing function | |
| WO9741381A1 | Process for leak proof connection of branch lines to rehabilitated sewer pipes | |
| DE19508188A1 | Hat-shaped connection sleeve for house connections in sewer pipes | |
| DE19507708A1 | Method of making fluid-tight joint between moulded thermoplastic plastic and inorganic material |