| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Pipes | |
| #3 | Grinding or polishing devices | |
| #4 | Grinding tools | |
| #5 | Swimming pools | |
| #6 | Controlling combustion engines | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gherky William D | 11 |
| #2 | Allen John E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1161653A | Grinding-machine. | |
| US1095964A | Monorail-grinding machine. | |
| US1095994A | Abrasive element for reciprocating grinders. | |
| US1095995A | Propulsion mechanism for rail-grinders. | |
| US1095963A | Grinding-machine. | |
| US1096005A | Grinding-machine. | |
| US1031640A | Track-grinding machine. | |
| US1032750A | Grinding-machine. | |
| US1207159A | Method of grinding. | |
| US913376A | Pole-sleeve. | |
| US798031A | Conduit-stopper. |