| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Wing fittings | |
| #2 | Harnesses | |
| #3 | Hinges for doors or windows | |
| #4 | Indexing scheme relating to hinges | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Orville C | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2097950A | Overhead door | |
| US1917127A | Door closure | |
| US1841185A | Closure for buildings | |
| US1740020A | Closure operator | |
| US1747012A | Halter | |
| US1720554A | Latch for closure operators | |
| US1412871A | Door | |
| US1234341A | Door-operating mechanism. | |
| CA168345A | Halter | |
| US1138115A | Halter. | |
| CA233809A | Closure operator | |
| CA298774A | Closure operator | |
| CA303943A | Halter | |
| CA320299A | Building closure |