| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | Germany | 4 | |
| #3 | United States | 4 | |
| #4 | Austria | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Turning | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | George Garrard Charles | 4 |
| #2 | Garrard Charles George | 2 |
| #3 | Youlten William | 1 |
| #4 | William Youlten | 1 |
| #5 | Gerrard Charles George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1928529A | Method of and apparatus for cutting grooves, recesses, and the like | |
| US1838304A | Machine tool | |
| US1838605A | Lock nut | |
| GB323511A | Improvements in and relating to machine tools | |
| ES108310A1 | Improvements in the nuts. | |
| US1771534A | Automatic or other nut-making and like machine tool | |
| CA292368A | Locknut | |
| CA286500A | Nut machine | |
| CA334133A | Groove and recess cutting apparatus | |
| CA316851A | Lock nut |