| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines | |
| #5 | Basic communication technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spiro Walter J | 31 |
| Publication | Filing date | Title |
|---|---|---|
| US1851116A | Piston handling implement | |
| US1833004A | Folding umbrella | |
| US1822246A | Packing box for attaching means | |
| US1732994A | Steel running board | |
| US1854566A | Loop adjusting device | |
| US1732992A | Adjustable securing bolt | |
| US1732993A | Adjustable bolt mounting | |
| US1646937A | Automatic throttle control | |
| US1679796A | Fastening for running-board molding | |
| US1775539A | Closures for open automobiles | |
| US1599498A | Radio tuning dial | |
| US1586270A | Brake actuator | |
| US1562801A | Automobile control | |
| US1545798A | Trunk and tire carrier | |
| US1542481A | Edge molding | |
| US1511685A | Tire-chain holder | |
| US1567174A | Automatic brake control | |
| US1523305A | Wave-length indicator | |
| US1523304A | Disk brake | |
| US1523303A | Friction brake |