| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Electric discharge tubes | |
| #3 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson Allison J | 20 |
| Publication | Filing date | Title |
|---|---|---|
| US2076187A | Demountable insulator for lamp hangers | |
| US1962106A | Mercury vapor lamp | |
| US2024311A | Mercury vapor lamp | |
| US1819529A | Lamp hanger structure | |
| US1872529A | Connection for lamp hanger contactors | |
| US1858908A | Lamp hanger structure | |
| US1795808A | Clamp | |
| US1762285A | Shock absorber for inverted lamps | |
| US1802589A | Shock absorber for lighting units | |
| US1709444A | Shock absorber for lighting units | |
| US1736512A | Lamp-hanger structure | |
| US1732622A | Contact for lamp hangers | |
| US1679953A | Lamp-hanger structure | |
| US1698418A | Lamp hanger | |
| US1689938A | Lamp hanger | |
| US1552654A | Lamp fixture | |
| US1473713A | Lamp hanger | |
| US1223532A | Lamp-hanger. | |
| US1237411A | Lamp-hanger. | |
| CA152903A | Support for lamps |