| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | France | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Making forged metal products | |
| #2 | Making screws | |
| #3 | Thread cutting | |
| #4 | Making metal sheets | |
| #5 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | B E V I Bulloneria E Viteria I | 2 |
| #2 | Chiaberta Pio | 1 |
| #3 | Chiaberta Serafino | 1 |
| #4 | Chiaberta Giovanni | 1 |
| #5 | White Frank Bernard | 1 |
| #6 | Serafino Chiaberta | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB743341A | Improvements in or relating to the production of rolled threaded screws | |
| GB682136A | Improvements in or relating to the manufacture of roll-threaded screws | |
| GB682135A | Improvements in or relating to the drawing of wire or rod | |
| GB673296A | Machine for providing screw heads with a slot for the screw-driver | |
| GB645327A | Automatic screw and bolt turning machine | |
| US2652578A | Wood screw manufacturing process |