| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Measurement | |
| #4 | Machine tools | |
| #5 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Transport or storage devices | |
| #3 | Unspecified technologies | |
| #4 | Hand-held cutting tools | |
| #5 | Weighing | |
| #6 | Calendars |
| # | Name | Total Patents |
|---|---|---|
| #1 | Davis Roy P M | 24 |
| #2 | Hepler Irvin F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2519954A | Haircutting comb | |
| US2235609A | Discharge mechanism for receptacles | |
| US1819741A | Brick making machine | |
| US1876864A | Brickmaking machine | |
| US1819740A | Brick making machine | |
| US1766286A | Brick-making machine | |
| US1766285A | Brickmaking machine | |
| US1803546A | Brickmaking machine | |
| US1779210A | Racking machine | |
| US1774547A | Mold | |
| US1779209A | Brickmaking machine | |
| US1631251A | Brick-making machine | |
| US1545308A | Apparatus and method for sanding brick molds | |
| US1537225A | Mold sander | |
| US1506222A | Pallet machine | |
| US1501479A | Method and apparatus for making brick | |
| US1512526A | Mold | |
| US1529691A | Mold-cleaning device | |
| US1506221A | Brickmaking machine | |
| US1527123A | Dump table |