| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Furniture and games | |
| #5 | Optics | |
| #6 | Environmental technology | |
| #7 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schlacks Henry J | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2059402A | Picture projection screen and supporting frame therefor | |
| US1799482A | Window construction | |
| US1765543A | Window | |
| US1724374A | Window frame | |
| US1625872A | Combination window | |
| US1292092A | Package-receptacle. | |
| US1241031A | Illuminating means. | |
| US1134161A | Operating-room for hospitals. | |
| US929115A | Roof for train-sheds and other buildings. | |
| US912623A | Swinging window. | |
| US676853A | Electrically-illuminated cross. | |
| CA304527A | Window |