| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Czechia | 1 | |
| #8 | Hungary | 1 | |
| #9 | Poland | 1 | |
| #10 | United States | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Krauleidis Michael | 10 |
| #2 | Griebenow Ulrich | 4 |
| #3 | Selck Harald | 4 |
| #4 | Krauleidis M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10016312A1 | Device for producing a pipe coupling | |
| DE19958102C1 | Pressure-sealed coupling for pipes has a coupling sleeve with inner teeth covered by a pressure ring and end press rings which force the teeth by inner projections against the pipe surface with min pressure | |
| DE19856523C1 | Pipe coupling device e.g. for pressure medium pipes, has pressure cuffs at opposite ends of rotationally symmetrical body with teeth engaging inserted pipe end |