| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Basic materials chemistry | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Materials for miscellaneous applications | |
| #3 | Casting metal | |
| #4 | Transport or storage devices | |
| #5 | Gas, coke and tar production | |
| #6 | Unspecified technologies | |
| #7 | Safety devices | |
| #8 | Shafts | |
| #9 | Scaffolding | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kuhn Harry A | 22 |
| #2 | Macfarren Walter W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1702387A | Compound ingot and method of producing the same | |
| US1394774A | Antidimming composition | |
| US1394773A | Antidimming composition | |
| US1204789A | Method and apparatus for low-temperature distillation of coal. | |
| US1200205A | Method of mining coal. | |
| US1200204A | Method of mining coal. | |
| US1228448A | Method of mining coal. | |
| US1268584A | Method of mining coal. | |
| US1190300A | Mining-machine. | |
| US1237061A | Method of mining coal. | |
| US1232696A | Mining-machine. | |
| US1237062A | Method of mining coal. | |
| US1237063A | Method of mining coal. | |
| US1273504A | Apparatus for mining coal. | |
| US1425103A | Mining machine | |
| US1232051A | Chain for mining-machines. | |
| US981201A | Method of mining coal. | |
| US1093787A | Method of tunneling. | |
| US1079353A | Mining-machine. | |
| US970725A | Method of mining coal. |