| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Chemical engineering | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Planting | |
| #3 | Scaffolding | |
| #4 | Mixing | |
| #5 | Transport or storage devices | |
| #6 | Containers for goods storage | |
| #7 | Unspecified technologies | |
| #8 | Preparing clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Conway Henry D | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1608491A | Metal tile | |
| US1460014A | Floor and ceiling construction | |
| CA119369A | Feed mechanism | |
| CA100497A | Concrete mixer | |
| US879366A | Feed device or feed-hopper. | |
| US779530A | Conveyer or carrier. | |
| US793059A | Mixing-machine for concrete or like materials. | |
| CA81780A | Construction of buildings | |
| US741112A | Hopper. | |
| US718429A | Construction of buildings. | |
| CA275999A | Metal tile |