| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Electrical machinery and energy | |
| #5 | Environmental technology | |
| #6 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rae Frank B | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1853225A | Controlling means for signaling apparatus | |
| US1749444A | Signal system | |
| US1687106A | Illuminated display sign | |
| US1330393A | Power-transmission device | |
| US1286099A | Vacuum-cleaner. | |
| US1356012A | Electrical controlling system | |
| US1246156A | Starting and lighting unit. | |
| US1375319A | Electric-motor generator for starting and lighting gasolene-automobiles | |
| US1153338A | Transmission mechanism. | |
| US975572A | System of motor control. | |
| US841441A | Machine-brake. | |
| US859334A | Air-brake. | |
| US638522A | Electric-motor-controlling system. |