| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Tools for connecting or disengaging | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dunham Russell H | 6 |
| #2 | Dunham Russell Henry | 2 |
| #3 | Moody Harry A | 2 |
| #4 | Dunham Russel Henry | 1 |
| #5 | Skahen Don H | 1 |
| #6 | Dunn John C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4583434A | Adjustable tool holder for lathes and the like | |
| US4046390A | Dead stop step chuck | |
| US4023815A | Collet chuck assembly for custom applications | |
| GB1099566A | Universal rotary chuck | |
| GB1097684A | Screw operated fluid flow control valves | |
| GB1045018A | Vacuum chucking | |
| GB984957A | Vacuum gripper | |
| GB1045017A | Vacuum chuck | |
| US3294392A | Vacuum chucking | |
| US3233887A | Vacuum chuck | |
| US3179429A | Contracting collet | |
| US3202431A | Universal expanding chuck | |
| US3147017A | Vacuum gripper |