| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Swimming pools | |
| #3 | Roof coverings | |
| #4 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Broughton Walter C | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2135559A | Burial vault | |
| US1934522A | Burial vault | |
| US1837402A | Burial vault | |
| US1654858A | Knockdown building | |
| US1503110A | Sectional roof | |
| US1470054A | Roof structure | |
| US1416943A | Fireproof door | |
| US1460941A | Knockdown concrete building | |
| US1185871A | Concrete building. | |
| US1155038A | Concrete building. | |
| US1155037A | Concrete building. | |
| US1111131A | Knockdown concrete building. | |
| US1048938A | Knockdown concrete building. |