| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | China | 5 | |
| #3 | EPO (European Patent Office) | 5 | |
| #4 | United States | 5 | |
| #5 | Republic of Korea | 4 | |
| #6 | Canada | 3 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Ships | |
| #3 | Unspecified technologies | |
| #4 | Transferring liquids | |
| #5 | Venting or aerating devices | |
| #6 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Von Keitz Andreas | 28 |
| #2 | Fiedler Peter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102016120446A1 | Coupling device for coupling lines for outdoor use | |
| CN104937321A | Emergency release coupling | |
| EP2946134A1 | Emergency release coupling | |
| WO2013186100A1 | Low-temperature conduit coupling | |
| CN104285090A | Coupling for connecting fluid-conducting lines | |
| WO2006084447A1 | Emergency separating safety coupling |