| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 2 | |
| #2 | Canada | 2 | |
| #3 | Finland | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Norway | 2 | |
| #6 | Sweden | 2 | |
| #7 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #8 | United States | 2 | |
| #9 | Australia | 1 | |
| #10 | Germany | 1 | |
| #11 | Denmark | 1 | |
| #12 | Spain | 1 | |
| #13 | France | 1 | |
| #14 | Italy | 1 | |
| #15 | Japan | 1 | |
| #16 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dry-docking of vessels | |
| #2 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tangen Walter | 12 |
| #2 | Tangen W | 2 |
| #3 | Tanzhen Valter | 1 |
| #4 | Warutaa Tangen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2545714A1 | STABILIZATION DEVICE FOR INFLATABLE LIFE RIFLE | |
| US3843983A | Arrangement related to inflatable life rafts |