| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Thermal processes | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Packer George W | 14 |
| #2 | Packer Margaret A | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US799354A | Molding-machine. | |
| US762596A | Apparatus for tempering molders' sand. | |
| US769322A | Foundry system. | |
| US762597A | Method of tempering molders' sand. | |
| US768071A | Molding-machine. | |
| US664426A | Molding-machine. | |
| US664173A | Annealing-furnace. | |
| US665927A | Catch for molding-flasks. | |
| US666905A | Automatic shearing and milling machine. | |
| US653362A | Metal-wheel machine. | |
| US633895A | Machine for grinding surfaces of metals. | |
| CA51305A | Fodder sherdder | |
| CA50910A | Corn husker, etc. | |
| CA29765A | Hoop making machine |