| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Civil engineering | |
| #5 | Environmental technology | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petry Nicholas A | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1575500A | Valve latch | |
| US1546995A | Cut-out | |
| US1464335A | Hose clamp | |
| US1453178A | Air pump | |
| US1469686A | Cut-out mechanism | |
| US1402647A | Ventilator | |
| US1255220A | Pedal. | |
| US1339284A | Muffler cut-out | |
| US1215185A | Muffler cut-out for motor-cars. | |
| US1076698A | Sectional sash-weight. | |
| US804037A | Sectional sash-weight. |