| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pipes | |
| #3 | Milling | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berger Christian | 9 |
| #2 | Pohn Franz | 9 |
| #3 | Fellner Alois | 9 |
| #4 | Hawle Erwin | 3 |
| Publication | Filing date | Title |
|---|---|---|
| ATA210897A | Sliding valve | |
| US4706529A | A method of making a clamping ring for use in a pipe joint | |
| US4657288A | Clamping ring for use in a pipe joint | |
| DE2646939A1 | CONNECTION OR CONNECTOR FOR SMOOTH PIPES, ESPECIALLY PLASTIC PIPES |