| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Civil engineering | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Making forged metal products | |
| #2 | Earth drilling | |
| #3 | Burners | |
| #4 | Unspecified technologies | |
| #5 | Percussive tools | |
| #6 | Venting or aerating devices | |
| #7 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leyner John George | 8 |
| #2 | Ditson Jesse | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US1302019A | Drill-sharpener. | |
| US1258999A | Drill-sharpener. | |
| US1258998A | Drill-sharpener. | |
| US1154101A | Oil-burner. | |
| US1078154A | Oil-burning forge. | |
| US1065062A | Triple-purpose valve for drill-bit-sharpening machines. | |
| US1078294A | Drill-sharpening machine. | |
| US1039971A | Down-hole handle-supported rock drill. | |
| US1082162A | Rock-drilling stoping-drill. | |
| US1026872A | Fluid-controlled drill-steel-forming and drill-bit-sharpening machine. | |
| US1058072A | Rock-drilling engine. | |
| US958260A | Cylinder lubrication. |