| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 65 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Environmental technology | |
| #5 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Venzie Frederick M | 65 |
| Publication | Filing date | Title |
|---|---|---|
| US1982892A | Plaster board or like building construction | |
| US1953203A | Building construction | |
| US1899403A | Building construction | |
| US1891513A | Floor structure | |
| US1982891A | Machine for molding floor slabs | |
| US1885496A | Building construction | |
| US1959511A | Cementitious conduit | |
| US1860399A | Building structure | |
| US1864965A | Ceiling construction | |
| US1891512A | Building structure | |
| US1861615A | Suspended ceiling construction | |
| US1971999A | Building construction | |
| US1892225A | Building construction | |
| US1931909A | Building structure | |
| US1860398A | Building structure | |
| US1863734A | Building structure | |
| US1854968A | Suspended ceiling construction | |
| US1891511A | Building construction | |
| US1920920A | Building construction | |
| US1913527A | Building structure |