| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Electrically-conductive connections | |
| #3 | Resistors | |
| #4 | Unspecified technologies | |
| #5 | Alarm systems | |
| #6 | Measuring temperature |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arthur Hall | 6 |
| #2 | Sanborn Arthur H | 3 |
| #3 | Yaxley Ernest E | 2 |
| #4 | Andres Paul G | 1 |
| #5 | Rowell Frank F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2039957A | Electric switch device | |
| US1975247A | Electric switch | |
| US1929492A | Electric switch | |
| US1965004A | Alarm signaling means | |
| US1854810A | Thermomotive device | |
| US1910969A | System of alternating current distribution and switching mechanism therefor | |
| US1854809A | Thermomotive device | |
| US1757043A | Rheostat | |
| US1876921A | Resistance unit | |
| US1900236A | Electric switch | |
| US1536175A | Rheostat | |
| US1443604A | Jack switch |