| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Unspecified technologies | |
| #3 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Royer George F | 3 |
| #2 | Davies Stanley B | 2 |
| #3 | Daves Stanley B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB528097A | Improvements in apparatus for cleaning and aerating moulders sand | |
| GB349245A | Improvements in screening apparatus | |
| US1860481A | Apparatus for handling molders' sand | |
| CA361156A | Screening apparatus | |
| CA386503A | Screen | |
| CA329872A | Screening apparatus | |
| CA468403A | Screening apparatus | |
| CA375819A | Sand conditioning apparatus |