| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 5 | |
| #2 | Sweden | 5 | |
| #3 | Australia | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Italy | 4 | |
| #6 | South Africa | 4 | |
| #7 | Norway | 2 | |
| #8 | United States | 2 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #10 | Argentina | 1 | |
| #11 | Austria | 1 | |
| #12 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Surface technology and coating | |
| #4 | Chemical engineering | |
| #5 | Environmental technology | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Metallic material removal | |
| #4 | Unspecified technologies | |
| #5 | Hydraulic engineering | |
| #6 | Separation | |
| #7 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bagnulo L | 18 |
| #2 | Bagnulo Luigi | 3 |
| #3 | Bagnulo Luigo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7402330B | Protective anode | |
| IT1046559B | Sacrificial anode for corrosion protection - for motor vehicle bodies, concrete reinforcing bars etc. | |
| GB1379148A | Scavenger buoy for the collection of substances dispersed over the surface of a carrier liquid | |
| GB1370863A | Bell-shaped rigid joints for gas or liquid pipes | |
| GB1384614A | Pipe sections having a continuous internal lining for the formation of conduits by welded joints |