| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 17 | |
| #2 | Canada | 2 | |
| #3 | Germany | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Mechanical elements | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Unspecified technologies | |
| #3 | Foundry moulding | |
| #4 | Casting metal | |
| #5 | Pipes | |
| #6 | Shafts | |
| #7 | Vehicle wheels | |
| #8 | Punching metal | |
| #9 | Turning | |
| #10 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Irving R | 8 |
| #2 | Baker Charles A | 7 |
| #3 | Mueller Wesley J | 2 |
| #4 | Smith Thomas L | 2 |
| #5 | Carl Mueller Edward | 2 |
| #6 | Mueller Edward C | 1 |
| #7 | Mueller Edward Carl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2664310A | Dump cart | |
| US2189079A | Cart | |
| US2088120A | Method of manufacturing foundry flasks | |
| US2065348A | Foundry flask | |
| US1921200A | Continuous object forming press | |
| US1974292A | Foundry flask and method of manufacturing the same | |
| US1769078A | Molding flask | |
| US1645666A | Wheelbarrow | |
| US1630975A | Wheelbarrow | |
| US1597101A | Air valve | |
| US1447317A | Radial drill press | |
| US1115719A | Clamp for concrete-forms. | |
| CA116113A | Concrete cart | |
| US970457A | Concrete-cart. | |
| US888055A | Wheelbarrow-clip. | |
| CA105650A | Wheelbarrow | |
| US869343A | Wheelbarrow-wheel. | |
| US865274A | Wheelbarrow-wheel. | |
| US888216A | Wheelbarrow. |