| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Non-portable lighting devices | |
| #3 | Electrically-conductive connections | |
| #4 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schweiker Roy W | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1801113A | Shade holder for lighting fixtures | |
| US1761090A | Canopy for lighting fixtures | |
| US1756309A | Lighting fixture | |
| US1649422A | Lighting fixture | |
| US1611566A | Holder and brace for the rails and sand seals of tunnel kilns | |
| US1681437A | Convenience outlet for lighting fixtures | |
| US1814229A | Side wall lighting fixture | |
| US1642429A | Lighting fixture | |
| US1590959A | Lighting fixture | |
| CA271130A | Lighting fixture | |
| CA271132A | Lighting fixture | |
| CA271131A | Lighting fixture |