| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 14 | |
| #2 | United States | 7 | |
| #3 | Germany | 6 | |
| #4 | France | 4 | |
| #5 | Canada | 3 | |
| #6 | Switzerland | 1 | |
| #7 | Spain | 1 | |
| #8 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Accessories for machine tools | |
| #4 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eve Leonard Frank | 4 |
| #2 | Eve Leonard F | 3 |
| #3 | Franklin Reginald Albert | 3 |
| #4 | Franklin Reginald A | 3 |
| #5 | Wyatt Anthony Paul | 3 |
| #6 | Linzell Cecil John | 2 |
| #7 | Wyatt Anthony P | 2 |
| #8 | John Linzell Cecil | 1 |
| #9 | Frank Eve Leonard | 1 |
| #10 | Cecil John Linzell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9313284D0 | Collets | |
| GB9111939D0 | Fixing arrangement for machine tools | |
| GB8913922D0 | Locking nut | |
| GB8821810D0 | Lock nut | |
| GB8506112D0 | Boring bars | |
| US4251084A | Collets | |
| GB2041796A | Bar stock feed device | |
| GB1570020A | Collets | |
| GB1351163A | Rotary tool holders | |
| GB927649A | Improvements in or relating to feed fingers of the kind which are used for advancing stock in machine tools | |
| GB879152A | Improvements in or relating to collets and other workholders | |
| GB839727A | A back support for use with machine tool collets | |
| US2911222A | Collet chucks | |
| CA691111A | Feed fingers | |
| CA614542A | Collet chucks | |
| CA658052A | Collets and other workholders |