| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | Canada | 3 | |
| #3 | France | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Civil engineering | |
| #5 | Packaging and shipping | |
| #6 | Machine tools | |
| #7 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Furnaces | |
| #3 | Details of furnaces | |
| #4 | Building materials | |
| #5 | Finishing work on buildings | |
| #6 | Presses | |
| #7 | Transport or storage devices | |
| #8 | Shaping clay | |
| #9 | Drying solid materials by removing liquid | |
| #10 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prouty Theodore C | 12 |
| #2 | Prouty Willis O | 8 |
| #3 | William Mccoy | 3 |
| #4 | Oswald Prouty Willis | 3 |
| #5 | Lillibridge Harry D | 3 |
| #6 | Schweiker Malcolm A | 2 |
| #7 | Schreiber Armin L | 1 |
| #8 | Holmquist Carl G | 1 |
| #9 | Solon Paul H | 1 |
| #10 | Watson Wayne C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3162937A | Tile assembling apparatus | |
| US3172525A | Board transfer apparatus | |
| US3177568A | Direct tile feeding machine | |
| US2800998A | Tile soaking rack | |
| US1864153A | Tile | |
| US1841641A | Tile setter | |
| US1778561A | Tile setter | |
| US1808509A | Clay disintegrator | |
| US1862704A | Tile grinding machine | |
| US1841620A | Tile exhibitor | |
| US1799641A | Kiln-car propeller | |
| US1676799A | Means for supporting and exposing ceramic products in the course of their production | |
| US1862548A | Method of and tunnel kiln for the treatment of ceramic ware | |
| US1702912A | Wall and floor tile | |
| US1659157A | Manually-operated press | |
| US1613054A | Tunnel kiln | |
| US1693252A | Ceramic-glazing process | |
| US1692556A | Screen-feeding means for tile-cleaning machines | |
| US1674992A | Circular kiln | |
| US1628910A | Ceramic process and product |