| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Accessories for machine tools | |
| #3 | Turning | |
| #4 | Spraying devices | |
| #5 | Thread cutting | |
| #6 | Steam generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gridley George O | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1166126A | Metal-working machine. | |
| US1166830A | Multiple-spindle machine. | |
| US1108497A | Multiple-stage turbine. | |
| US1012630A | Machine-tool. | |
| US992957A | Universal chuck. | |
| US1130398A | Screw-threading mechanism. | |
| US1112209A | Driving mechanism for multispindle machines. | |
| US893239A | Machine for turning eccentric rings. | |
| US971370A | Lathe. | |
| US725438A | Bar-working machine. | |
| US699678A | Stay-bolt and process of making same. |