| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Bolts for doors or windows | |
| #2 | Doors and windows | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Locks | |
| #6 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Theodore Johnson | 12 |
| #2 | George Johnson Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1958342A | Window ventilator | |
| US1858227A | Window screen | |
| US1780823A | Screen | |
| US1805403A | Casement window structure | |
| US1841188A | Operator for casement windows | |
| US1837445A | Locking means for casement windows | |
| US1841187A | Closure fastener | |
| US1841186A | Closure fastener for casement windows | |
| US1898543A | Casement window | |
| US1841247A | Casement operator | |
| US1837444A | Casement window | |
| US1716172A | Screen | |
| US1698682A | Filler and gauge for humidifying pans |