| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Japan | 2 | |
| #5 | United States | 2 | |
| #6 | Australia | 1 | |
| #7 | Germany | 1 | |
| #8 | Spain | 1 | |
| #9 | France | 1 | |
| #10 | Italy | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Surface technology and coating | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Installation of electric cables | |
| #3 | Metallic material removal | |
| #4 | Cables and insulators | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bagnulo Luigi | 5 |
| #2 | Ruiji Bagunuro | 2 |
| #3 | Bagnulo L | 1 |
| #4 | Menzionato Inventore Rinuncia | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1559291A | Electrically insulated pipe coupling | |
| GB1510893A | Thermally insulated pipe | |
| US3977956A | Corrosion-prevention system |