| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Thermal processes | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Building materials | |
| #3 | Producing ice | |
| #4 | Unspecified technologies | |
| #5 | Shaping of plastics | |
| #6 | Vehicle tyre repairing | |
| #7 | Preparing clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wert Cyrus S | 22 |
| Publication | Filing date | Title |
|---|---|---|
| US1641874A | Method of applying cement hardener and waterproofing to the main body and face of a concrete brick | |
| US1475911A | Apparatus for forming faced concrete blocks | |
| US1443299A | Concrete-brick machine | |
| US1471990A | Method of forming faced concrete blocks | |
| US1541606A | Composition of matter for facing concrete blocks | |
| US1239326A | Block-machine. | |
| US1199644A | Inner tube for automobile-tires. | |
| CA150054A | Brick machine | |
| CA150055A | Tamping apparatus | |
| US1085716A | Tamping apparatus. | |
| US1095442A | Brick-machine. | |
| US1025663A | Tile-machine. | |
| CA128905A | Brick machine | |
| CA128035A | Mould | |
| US965350A | Brick-machine. | |
| US965349A | Mold. | |
| US910621A | Brick-mold. | |
| US910620A | Post-mold. | |
| US829561A | Concrete-mixer. | |
| US896259A | Cement-block machine. |