| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 9 | |
| #2 | Canada | 1 | |
| #3 | Switzerland | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Melchiorre Francesco | 7 |
| #2 | Francesco Melchiorre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT8548017D0 | Liquid fuels purificn. equipment | |
| GB1181723A | Reamers | |
| CA869783A | Tool for widening and precision finishing through bores and dead bores |