| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 66 | |
| #2 | United Kingdom | 15 | |
| #3 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Measurement | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Turning | |
| #3 | Accessories for machine tools | |
| #4 | Gearing | |
| #5 | Unspecified technologies | |
| #6 | Measuring volume | |
| #7 | Domestic plumbing installations | |
| #8 | Punching metal | |
| #9 | Hand-held cutting tools | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartness James | 86 |
| Publication | Filing date | Title |
|---|---|---|
| US1209289A | Sun-dial. | |
| US1198632A | Metal-working machine. | |
| US1130277A | Multispindle lathe. | |
| US1130276A | Automatic chucking-lathe. | |
| US1082590A | Chuck. | |
| US1077470A | Chuck. | |
| US1130275A | Metal-turning tool. | |
| US1130274A | Metal-turning tool. | |
| US1084546A | Chuck. | |
| US1045142A | Telescope. | |
| US1056097A | Turning-tool. | |
| US1090300A | Variable-speed mechanism for metal-working machines. | |
| US1036106A | Stop mechanism for metal-working machines. | |
| US1063682A | Lathe. | |
| US1036104A | Taper-turning mechanism. | |
| US1036105A | Work-holder for metal-turning machines. | |
| US1063681A | Metal-working machine. | |
| CA131075A | Metal turning tool | |
| GB190928077A | Improvements in Metal Turning Tools and Steady Rests. | |
| CA120392A | Means of turning metals |