| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Italy | 2 | |
| #6 | Netherlands | 2 | |
| #7 | Sweden | 2 | |
| #8 | United States | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Making screws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jones Ernest | 5 |
| #2 | Jones E | 3 |
| #3 | Hall John Leslie | 2 |
| #4 | Hall J L | 1 |
| #5 | Hall John L | 1 |
| #6 | Hall J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1574825A | Screw threaded members and their manufacture | |
| GB1491871A | Lock nuts |