| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Hong Kong | 4 | |
| #5 | Canada | 3 | |
| #6 | China | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Electrically-conductive connections | |
| #2 | Installation of electric cables | |
| #3 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ruffner Walter | 23 |
| Publication | Filing date | Title |
|---|---|---|
| HK1199691A2 | Adapter plug | |
| US2015099380A1 | Multiple socket | |
| EP2297825A1 | Multi-way sliding plug | |
| EP2297824A1 | Three-pole adapter set with a plug part and a socket part which may be plugged in the plug part | |
| CN102124613A | Adapter plug | |
| WO2009152632A1 | Multi-way slide plug with slide locking | |
| WO2006010292A1 | Power unit and charger | |
| EP1393417A2 | Mains plug |