| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | United States | 3 | |
| #5 | Switzerland | 2 | |
| #6 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Thread cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cox John R | 9 |
| #2 | John Robert Cox | 2 |
| #3 | Robert Cox John | 2 |
| #4 | Mix Joseph E | 2 |
| #5 | Joseph Edward Mix | 2 |
| #6 | Edward Mix Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1208555A | Hydraulic chuck | |
| FR1534400A | Improvements to tool holders | |
| FR1523777A | Quick-acting tool chuck | |
| US3405950A | Tool holder | |
| US3398965A | Quick change tool holder | |
| US3405949A | Tool holder | |
| CA836218A | Tool holder | |
| CA866464A | Hydraulic chuck or arbor | |
| CA855903A | Tool holder | |
| CA828967A | Tool holder | |
| CA820566A | Expandable mandrel | |
| CA798034A | Quick change tool holder |